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未知の世界への
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News
プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
11/17/2021

Development and evaluation of a loop-mediated isothermal amplification (LAMP) assay for quick
identification of the Japanese salamander Hynobius tokyoensis

プレスリリース
08/03/2021

Discovery of a deeply divergent and highly endemic frog lineage from Borneo: A taxonomic
revision of Kalophrynus nubicola Dring, 1983 with descriptions of two new species (Amphibia:
Anura: Microhylidae)

プレスリリース
プレスリリース
プレスリリース
プレスリリース
Activity
We conduct research and education on animal natural history, which has been inherited from the third senior high school. The field is from the university campus to Asia.
The current main research interests are systematics, species diversity, biogeography, and conservation biology of reptiles and small animals of East, Southeast, and Central Asia.
Lab visits are always welcome. Please e-mail to us.
Bufo japonicus japonicus
Japanese Toad
Member
Survey in the mud
The Nishikawa Lab currently consists of 30 members. You can see the current members and alumni from the following links.
テントでの標本作成
テントでの標本作成
Seminar for this year
For further information about the seminar, please contact shen.yanpeng.75r@st.kyoto-u.ac.jp
First

4/21 Itou(Nishikawa Lab M1)・Shibata(Nishikawa Lab M1)

4/28 Baba(Nishikawa Lab M1)・Tasaki(Nishikawa Lab M1)

5/12 Isekawa(Ichioka Lab B5)・Kawagoe(Ichioka Lab D2)

5/19 Fukutani(Nishikawa Lab D4)

5/26 Kudo(Nishikawa Lab M2)

6/2 Komada(Ichioka Lab PD)

6/9 Tanaka(Nishikawa Lab M1)

6/16 Fukuyama(Nishikawa Lab D2)

6/23 Kimoto(Nisikawa Lab M2)

6/30 Fujii(Nishikawa M2)

7/7 Shen(Nishikawa Lab D1)

7/14 Kakata(Nishikawa Lab D1)

7/21 Kanamori (Nishikawa Lab D2)

Second

10/6 Fukutani(Nishikawa Lab D4)

10/13 Tanaka(Nishikawa Lab M1)

10/20 Tasaki(Nishikawa Lab M1)

10/27 Baba(Nishikawa Lab M1)

11/10 Fujii(NIshikawa Lab M2)

11/17 Kudo(Nishikawa Lab M2)

11/24 Kimoto(Nishikawa Lab M2)

12/1 Shibata(Ichioka Lab M1)

12/8 Itou(Nishikawa Lab M1)

12/15 Kawagoe(Ichioka Lab D2)

12/22 Isekawa(Ichioka Lab B5)

1/5 Takata(Nishikawa Lab D1)・Shen(Nishikawa Lab D1)

1/12 Fukuyama(Nishikawa Lab D2)

1/19 Kanamori(Nishikawa Lab D2)

Laboratory research results
1) Matsui, M., Y. Misawa, K. Nishikawa, and S. Tanabe. 2000. Allozymic variation of Hynobius kimurae Dunn (Amphibia, Caudata). Comparative Biochemistry and Physiology 125B(1):115-125. (doi: 10.1016/S0305-0491(99)00154-6)
2) Nishikawa, K., M. Matsui, S. Tanabe, and S. Sato. 2001. Geographic enzyme variation in a Japanese salamander, Hynobius boulengeri Thompson (Amphibia: Caudata). Herpetologica 57(3):281-294. (doi: 10.1655/03-89)
3) Matsui, M., K. Nishikawa, S. Tanabe, and Y. Misawa. 2001. Systematic status of Hynobius tokyoensis from Aichi Prefecture, Japan: a biochemical survey (Amphibia, Urodela). Comparative Biochemistry and Physiology 130B(2):181-189. (doi: 10.1016/S1096-4959(01)00424-9)
4) Matsui, M., K. Nishikawa, W. Khonsue, S. Panha, and J. Nabhitabhata. 2001. Allozymic variation in Rana nigrovittata (Amphibia: Anura) within Thailand with special reference to the taxonomic status of R. mortenseni. The Natural History Journal of Chulalongkorn University 1:15-22.
5) Matsui, M., K. Nishikawa, Y. Misawa, M. Kakegawa, and T. Sugahara. 2002. Taxonomic relationships of an endangered Japanese salamander Hynobius hidamontanus Matsui, 1987 with H. tenuis Nambu, 1991 (Amphibia: Caudata). Current Herpetology 21(1):25-34.
6) Trakimas, G., M. Matsui, K. Nishikawa, and K. Kasugai. 2003. Allozyme variation among populations of Rana pirica (Amphibia, Ranidae). Journal of Zoological Systematics and Evolutionary Research 41(2):73-79.
7) Nishikawa, K., M. Matsui, S. Tanabe, and M. Sakamoto. 2003. Occurrence of a lotic breeding Hynobius salamander (Amphibia, Urodela) on Kamishima of the Amakusa Islands, Japan. Current Herpetology 22(1):1-8.
8) Tominaga, A., M. Matsui, K. Nishikawa, and S. Sato. 2003. Occurrence of two types of Hynobius naevius in northern Kyushu, Japan (Amphibia: Urodela). Zoological Science 20(12):1467-1476. (doi: 10.2108/zsj.20.1467)
9) Matsui, M., Y. Kokuryo, Y. Misawa, and K. Nishikawa. 2004. A new species of salamander of the genus Hynobius from central Honshu, Japan (Amphibia, Urodela). Zoological Science 21(6):661-669. (doi: 10.2108/zsj.21.661)
10)Nishikawa, K., M. Matsui, and S. Tanabe. 2005. Biochemical phylogenetics and historical biogeography of Hynobius boulengeri and H. stejnegeri (Amphibia: Caudata) from the Kyushu region, Japan. Herpetologica 61(1):54-62. (doi: 10.1655/03-89)
11)Tominaga, A., M. Matsui, K. Nishikawa, S. Tanabe, and S. Sato. 2005. Genetic differentiations of Hynobius naevius (Amphibia, Hynobiidae) as revealed by allozyme analysis. Biochemical Systematics and Ecology 33(9):921-937. (doi: 10.1016/j.bse.2005.02.001)
12)Nishikawa, K., M. Matsui, Y. Kokuryo, and Y. Misawa. 2005. Karyotype of a Japanese salamander Hynobius katoi and its implication on breeding ecology (Amphibia: Caudata). Zoological Science 22(7):805-807. (doi: 10.2108/zsj.22.805)
13)Tominaga, A., M. Matsui, K. Nishikawa, S. Tanabe, and S. Sato. 2005. Morphological discrimination of two genetic groups of a Japanese salamander, Hynobius naevius (Amphibia, Caudata). Zoological Science 22(11):1229-1244. (doi: 10.2108/zsj.22.1229)
14)Sakamoto, M., K. Nishikawa, and M. Matsui. 2005. Two types of Hynobius naevius from the central region of Kyushu Island, Japan (Caudata: Hynobiidae). Current Herpetology 24(2):67-77. (doi: 10.3105/1345-5834(2005)24[67:TTOHNF]2.0.CO;2)
15)Tominaga, A., M. Matsui, K. Nishikawa, and S. Tanabe. 2006. Phylogenetic relationships of Hynobius naevius (Amphibia: Caudata) as revealed by mitochondrial 12S and 16S rRNA genes. Molecular Phylogenetics and Evolution 38(3):677-684.
16)Matsui, M., K. Nishikawa, A. Sudin, and M. Mohamed. 2006. The first karyotypic report of the genus Caudacaecilia with comments on its generic validity (Amphibia, Gymnophiona, Ichthyophiidae). Copeia 2006(2):256-260.
17)Matsui, M., K. Nishikawa, T. Utsunomiya, and S. Tanabe. 2006. Geographic allozyme variation in the Japanese clouded salamander, Hynobius nebulosus (Amphibia: Urodela). Biological Journal of the Linnean Society :89(1):311–330.
18)Matsui, M., K. Nishikawa, Y. Misawa, and S. Tanabe. 2007. Phylogenetic position of Hynobius okiensis among Japanese salamanders (Amphibia: Caudata). Zoological Science 24(7):746–751.
19)Nishikawa, K., M. Matsui, S. Tanabe, and S. Sato. 2007. Morphological and allozymic variation in Hynobius boulengeri and H. stejnegeri (Amphibia: Urodela: Hynobiidae). Zoological Science 24(7):752–766.
20)Kim, J.-B., M. Matsui, and K. Nishikawa. 2007. Genetic relationships among salamanders of the genus Hynobius from Korea and southwestern Japan (Amphibia: Caudata). Zoological Science 24(11):1128–1133.
21)Nishikawa, K., M. Matsui, P. Y. Imbun, A. Sudin, M. B. Lakim, and M. Mohamed. 2008. Field observation of egg brooding in the caecilian Caudacaecilia asplenia from Sabah, Malaysia (Amphibia: Gymnophiona: Ichthyophiidae). Raffles Bulletin of Zoology 56(1):205–208.
22)Nishikawa, K. and M. Matsui. 2008. A comparative study on the larval life history in two populations of Hynobius boulengeri from Kyushu, Japan (Amphibia: Urodela). Current Herpetology 27(1): 9–22. (doi: 10.3105/1345-5834(2008)27[9:ACSOTL]2.0.CO;2)
23)Nishikawa, K., S. Sato, and M. Matsui. 2008. A note on the clutch size and shape of egg sac of Hynobius boulengeri from the Sobo-Katamuki Mountains, Kyushu, Japan (Urodela: Hynobiidae). Current Herpetology 27(1):29–34. (doi: 10.3105/1345-5834(2008)27[29:ANOTCS]2.0.CO;2)
24)Matsui, M., N. Yoshikawa, A. Tominaga, T. Sato, S. Takenaka, S. Tanabe, K. Nishikawa, and S. Nakabayashi. 2008. Phylogenetic relationships of two Salamandrella species as revealed by mitochondrial DNA and allozyme variations (Amphibia: Caudata: Hynobiidae). Molecular Phylogenetics and Evolution 48(1):84–93. (doi: 10.1016/j.ympev.2008.04.010)
25)Yoshikawa, N., M. Matsui, K. Nishikawa, J. B. Kim, and A. Kryukov. 2008. Phylogenetic relationships and biogeography of the Japanese clawed salamander, Onychodactylus japonicus (Amphibia: Caudata: Hynobiidae), and its cogener inferred from the mitochondrial cytochrome b gene. Molecular Phylogenetics and Evolution 49(1):249–259. (doi: 10.1016/j.ympev.2008.07.016)
26)Hasegawa H. and K. Nishikawa. 2009. New species of kathlaniid (Nematoda: Cosmocercoidea) collected from hynobiid salamanders in Japan. Journal of Parasitology 95(1):186–190. (doi: 10.1645/GE-1635.1)
27)Matsui, M., Y. Misawa, and K. Nishikawa. 2009. Morphological variation in a Japanese salamander Hynobius kimurae (Amphibia, Caudata). Zoological Science 26(1): 87–95. (doi: 10.2108/zsj.26.87)
28)Nishikawa, K. 2009. The first specimen of Karsenia koreana (Caudata: Plethodontidae) collected 34 years before its description. Current Herpetology 28(1): 27–28. (doi. 10.3105/018.028.0104)
29)Nishikawa, K., J.-P. Jiang, M. Matsui, and C.-S. Chen. 2009. Morphological variation in Pachytriton labiatus and a re-assessment of the taxonomic status of P. granulosus (Amphibia: Urodela: Salamandridae). Current Herpetology 28(2): 49–64. (doi.10.3105/018.028.0202)
30)Yoshikawa, N., M. Matsui, K. Nishikawa, Y. Misawa, and S. Tanabe. 2010. Allozymic variation of the Japanese clawed salamander, Onychodactylus japonicus (Amphibia: Caudata: Hynobiidae), with special reference to the presence of two sympatric genetic types. Zoological Science: 27(1):33–40.
31)Matsui, M., N. Kuraishi, J.-P. Jiang, H. Ota, A. Hamidy, N.L. Orlov, and K. Nishikawa. 2010. Systematic reassessments of fanged frogs from China and adjacent regions (Anura: Dicroglossidae). Zootaxa 2345:33–42.
32)Yoshikawa, N., M. Matsui, and K. Nishikawa. 2010. Allozymic variation and phylogeography of two sympatric genetic types of Onychodactylus japonicus (Amphibia: Caudata: Hynobiidae) in Kinki District, Japan. Zoological Science 27(4): 344–355.
33)Hamidy, A., M. Matsui, K. Nishikawa, D. Belabut, and N. Ahmad. 2010. Rana picturata (yellow-spotted frog). predation. Herpetological Review 41(1): 66–67.
34)Chan, K. O., L. L. Grismer, M. Matsui, K. Nishikawa, P. L. Wood Jr., J. L. Grismer, D. Belabut, and N. Ahmad. 2010. Herpetofauna of Gunung Panti Forest Reserve, Johor, Peninsular Malaysia. Tropical Life Sciences Research 21(1):71–82.
35)Nishikawa, K., J.-P. Jiang, M. Matsui, Y.-M. Mo, X.-H. Chen, J.-B. Kim, A. Tominaga, and N. Yoshikawa. 2010. Invalidity of Hynobius yunanicus and molecular phylogeny of Hynobius salamander from continental China (Urodela, Hynobiidae). Zootaxa 2426(1):65–67. (doi:10.11646/zootaxa.2426.1.5)
36)Nishikawa, K., J.-P. Jiang, M. Matsui, and Y.-M. Mo. 2011. Unmasking Pachytriton labiatus (Amphibia: Urodela: Salamandridae), with description of a new species of Pachytriton from Guangxi, China. Zoological Science 28(6):453–461. (doi:10.2108/zsj.28.453)
37)Matsui, M., A. Hamidy, D. B. Belabut, N. Ahmad, S. Panha, A. Sudin, W. Khonsue, H.-S. Oh, H.-S. Yong, J.-P. Jiang, and K. Nishikawa. 2011. Systematic relationships of oriental tiny frogs of the family Microhylidae (Amphibia: Anura) as revealed by mtDNA genealogy. Molecular Phylogenetics and Evolution 61(1):167–176. (doi: 10.1016/j.ympev.2011.05.015)
38)Nishikawa, K., J.-P. Jiang, and M. Matsui. 2011. Two new species of Pachytriton from Anhui and Guangxi, China (Amphibia: Urodela: Salamandridae). Current Herpetology 30(1):15–31. (doi: 10.3105/018.030.0102)
39)Hamidy, A., M. Matsui, T. Shimada, K. Nishikawa, P. Yambun, A. Sudin, M. D. Kusrini, and H. Kurniati. 2011. Morphological and genetic discordance in two species of Bornean Leptobrachium (Amphibia, Anura, Megophryidae). Molecular Phylogenetics and Evolution 61(3):904–913. (doi:10.1016/j.ympev.2011.08.020)
40)Matsui, M. and K. Nishikawa. 2011. A new tiny Kalophrynus (Amphibia, Anura, Microhylidae) from Northern Sarawak, Malaysian Borneo. Current Herpetology 30(2): 145–153. (doi:10.5358/hsj.30.145)
41)Matsui, M., K. Nishikawa, D. Belabut, A. Norhayati, and H.-S. Yong. 2012. A new species of Kalophrynus (Amphibia, Anura, Microhylidae) from Southern peninsular Malaysia. Zootaxa 3155:38–46.
42)Yoshikawa, N., M. Matsui, and K. Nishikawa. 2012. Genetic structure and cryptic diversity of Onychodactylus japonicus (Amphibia, Caudata, Hynobiidae) in northeastern Honshu, Japan, as revealed by allozymic analysis. Zoological Science 29(4): 229–237.
43)Nishikawa, K., M. Matsui, H.-S. Yong, N. Ahmad, P. Yambun, D. M. Belabut, A. Sudin, A. Hamidy, N. L. Orlov, H. Ota, N. Yoshikawa, A. Tominaga, and T. Shimada. 2012. Molecular phylogeny and biogeography of caecilians from Southeast Asia (Amphibia, Gymnophiona, Ichthyophiidae), with special reference to high cryptic species diversity in Sundaland. Molecular Phylogenetics and Evolution 63 (3):714–723. (doi:10.1016/j.ympev.2012.02.017)
44)Nishikawa, K., M. Matsui, and J.-P. Jiang. 2012. A new species of Pachytriton from China (Amphibia: Urodela: Salamandridae). Current Herpetology 31(1):21–27. (doi:10.5358/hsj.31.21)
45)Nishikawa, K., M. Matsui, and N. L. Orlov. 2012. A new striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from Kon Tum Plateau, Vietnam. Current Herpetology 31(1):28–37. (doi:10.5358/hsj.31.28)
46)Hamidy, A., M. Matsui, K. Nishikawa, and D. M. Belabut. 2012. Detection of cryptic taxa in Leptobrachium nigrops (Amphibia, Anura, Megophryidae), with description of two new species. Zootaxa 3398:22–39.
47)Pasmans, F., G. P. J. Janssens, M. Sparreboom, J.-P. Jiang, and K. Nishikawa. 2012. Reproduction, development and growth response to captive diets of the Shangcheng stout salamander (Pachyhynobius shangchengensis). Asian Herpetological Research 3(3):192–197. (doi:10.3724/SP.J.1245.2012.00192)
48)Nishikawa, K., M. Matsui, and P. Yambun. 2012. A new unstriped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from Mt. Kinabalu, Sabah, Malaysia. Current Herpetology 31(2):67–77. (doi:10.5358/hsj.31.67)
49)Matsui, M., K. Nishikawa, S. T. Yeo, and K. Eto. 2012. Notes on a rare Bornean bufonid Ansonia latidisca Inger, 1966 with special reference to its phylogenetic position. Current Herpetology 31(2):87–96. (doi:10.5358/hsj.31.87)
50)Kuraishi, N., M. Matsui, A. Hamidy, D. M. Belabut, N. Ahmad, S. Panha, A. Sudin, H.-S. Yong, J.-P. Jiang, H. Ota, H. T. Thong, and K. Nishikawa. 2013. Phylogenetic and taxonomic relationships of the Polypedates leucomystax complex (Amphibia). Zoologica Scripta 42(1):54–70. (doi: 10.1111/j.1463-6409.2012.00562.x)
51)Nishikawa, K., M. Matsui, and T. T. Nguyen. 2013. A new species of Tylototriton from northern Vietnam (Amphibia: Urodela: Salamandridae). Current Herpetology 32(1):34–49. (doi:10.5358/hsj.32.34).
52)Tominaga, A., M. Matsui, N. Yoshikawa, K. Nishikawa, T. Hayashi, Y. Misawa, S. Tanabe, and H. Ota. 2013. Phylogeny and historical demography of Cynops pyrrhogaster (Amphibia: Urodela): implication of taxonomic relationships and transitions of the distributional ranges associated with climate oscillations. Molecular Phylogenetics and Evolution 66 (3):654–667. (doi: 10.1016/j.ympev.2012.10.015)
53)Aoki, G., M. Matsui, and K. Nishikawa. 2013. Mitochondrial cytochrome b phylogeny and historical biogeography of the Tohoku salamander, Hynobius lichenatus (Amphibia, Caudata). Zoological Science 30 (3):167–173. (doi: http://dx.doi.org/10.2108/zsj.30.167)
54)Nishikawa, K., M. Matsui, B. Wang, N. Yoshikawa, and J.-P. Jiang. 2013. Taxonomic relationship of two newt species of Pachytriton recently described from China (Amphibia: Urodela: Salamandridae). Current Herpetology 32(2):150–158. (doi:10.5358/hsj.32.150)
55)Nishikawa, K., M. Matsui, A. Sudin, and A. Wong. 2013. A new striped Ichthyophis (Amphibia: Gymnophiona) from Mt. Kinabalu, Sabah, Malaysia. Current Herpetology 32(2):159–169. (doi:10.5358/hsj.32.159)
56)Nishikawa, K., W. Khonsue, P. Pomchote, and M. Matsui. 2013. Two new species of Tylototriton from Thailand (Amphibia: Urodela: Salamandridae). Zootaxa 3737(3):261–279. (doi: 10.11646/zootaxa.3737.3.5)
57)Matsui, M., K. Nishikawa, and P. Yambun. 2014. A new Leptolalax from the mountains of Sabah, Borneo (Amphibia, Anura, Megophryidae). Zootaxa 3753(5):440–452. (doi:10.11646/Zootaxa.3753.5.3)
58)Nishikawa, K. and M. Matsui. 2014. Three new species of the salamander genus Hynobius (Amphibia, Urodela, Hynobiidae) from Kyushu, Japan. Zootaxa 3852 (2):203–226. (doi: 10.11646/Zootaxa.3852.2.3)
59)Matsui, M. and K. Nishikawa. 2014. Description of a new species of Limnonectes from Sarawak, Malaysian Borneo (Dicroglossidae, Anura). Current Herpetology 33(2):135–147. (doi: 10.5358/hsj.33.135)
60)Nishikawa, K., J. Wang, and J.-P. Jiang. 2014. Paramesotriton longliensis (Longli Warty Newt). Defensive behavior. Herpetological Review 45 (3):475–476.
61)Matsui, M., K. Nishikawa, and K. Eto. 2014. A new burrow-utilizing fanged frog from Sarawak, Malaysian Borneo (Anura, Dicroglossidae, Limnonectes). Raffles Bulletin of Zoology 62: 679–687.
62)Martel, A., M. Blooi, C. Adriaensen, P. Van Rooij, W. Beukema, M.C. Fisher, R. Farrer, B. Schmidt, K. Goka, K. Lips, C. Muletz, K. Zamudio, J. Bosch, S. Lötters, E. Wombwell, T.W.J. Garner, A. Spitzen-van der Sluijs, S. Salvidio, R. Ducatelle, K. Nishikawa, T.T. Nguyen, I. Van Bocxlaer, F. Bossuyt, and F. Pasmans. 2014. Recent introduction of a chytrid fungus endangers Western Palearctic salamanders. Science 346(6209):630–631.(doi: 10.1126/science.1258268)
63)Nishikawa, K., M. Matsui, and D.-Q. Rao. 2014. A new species of Tylototriton (Amphibia: Urodela: Salamandridae) from central Myanmar. The Natural History Bulletin of the Siam Society 60(1):9–22.
64)Matsui, M., R. Zainudin, and K. Nishikawa. 2014. A new species of Leptolalax from Sarawak, western Borneo (Anura: Megophryidae). Zoological Science 31 (11):773–779. (doi: 10.2108/zs140137)
65)Xin, C., A. D. McKelvy, L. L. Grismer, M. Matsui, K. Nishikawa, and F. T. Burbrink. 2014. The phylogenetic placement and taxonomic status of the rare tropical rainbow tree snake Gonyophis margaritatus (Squamata: Colubridae). Zootaxa 3881 (6):532–548. (doi: 10.11646/Zootaxa.
66)Jono, T., K. Nishikawa, L. Ding, and Y. Tang. 2014. Paramesotriton hongkongensis (Hongkong Warty Newt). Distribution. Herpetological Review 45(4): 651.
67)Matsui, M., T. Nishimura, K. Eto, N. Kuraishi, A. Hamidy, K. Nishikawa, and A. Sudin. 2015. Genetic divergence in a Bornean fanged frog Limnonectes leporinus (Dicroglossidae, Anura). Current Herpetology 34(1): 28–37. (doi: 10.5358/hsj.34.28)
68)Le, D. T., T. T. Nguyen, K. Nishikawa, S. L. H. Nguyen, A. V. Pham, M. Matsui, M. Bernardes, and T. Q. Nguyen. 2015. A new species of Tylototriton Anderson, 1871 (Amphibia: Salamandridae) from northern Indochina. Current Herpetology 34(1): 38–50. (doi: 10.5358/hsj.34.38)
69)Xiong, R., M. Matsui, K. Nishikawa, and J. Jiang. 2015. Advertisement calls of two horned toads, Megophrys kuatunensis and M. huangshanensis from China (Anura, Megophryidae).  Current Herpetology 34(1): 51–59. (doi: 10.5358/hsj.34.51)
70)Nishikawa, K., D.-Q., Rao, M. Matsui, and K. Eto. 2015. Taxonomic relationship between Tylototriton daweishanensis Zhao, Rao, Liu, Li et Yuan, 2012 and T. yangi Hou, Li et Lu, 2012 (Amphibia: Urodela: Salamandridae). Current Herpetology 34(1): 67–74. (doi: 10.5358/hsj.34.67)
71)Nishikawa, K. and M. Matsui. 2015. Book Review: Salamanders of the Old World (by Max Sparreboom. 2014). Current Herpetology 34(1): 95–98. (doi: 10.5358/hsj.34.95)
72)Matsushita, Y., O. Yamakawa, H. Onuma, K. Nishikawa, M. Motokawa, and T. Yato. 2015. Andrias japonicus (Japanese Giant Salamander). Diet. Herpetological Review 46(1): 69-70.
73)Nakano, T., T. Dujsebayeva, and K. Nishikawa. 2015. First record of Limnatis paluda (Hirudinida, Arhynchobdellida, Praobdellidae) from Kazakhstan, with comments on genetic diversity of Limnatis leeches. Biodiversity Data Journal 3: e5004. (doi: 10.3897/BDJ.3.e5004)
74)Eto, K., M. Matsui, and K. Nishikawa. 2015. Description of a new species of the genus Leptobrachella (Amphibia, Anura, Megophryidae) from Borneo. Current Herpetology 34(2): 128–139. (doi: 10.5358/hsj.34.128)
75)Matsui, M., K. Eto, M. W. N. Lau, W. Liu, and K. Nishikawa. 2015. Unexpected phylogenetic position of Parapelophryne among Southeast Asian bufonids as revealed by mitochondrial DNA sequence (Amphibia, Anura, Buforidae). Current Herpetology 34(2): 182–187. (doi: 10.5358/hsj.34.182)
76)Shimada, T., M. Matsui, K. Nishikawa, and K. Eto. 2015. A new species of Meristogenys (Anura: Ranidae) from Sarawak, Borneo. Zoological Science 32(5):474–484. (doi: 10.2108/zs140289)
77)Tominaga, A., B. V. Meyer-Rochow, T. Okamoto, T. Kuriyama, K. Nishikawa, and M. Matsui. 2016. Origin and genetic uniformity of Introduced population of Cynops pyrrhogaster (Amphibia: Urodela) on Hachijojima Island. Current Herpetology 35(1): 64–68. (doi: 10.5358/hsj.35.64 )
78)Eto, K., M. Matsui, K. Nishikawa, and T. Haramura. 2016. Development and evaluation of Loop-Mediated Isothermal Amplification (LAMP) assay for quick Identification of three Japanese toads. Current Herpetology 35(1): 33–37. (doi: 10.5358/hsj.35.33)
79)Matsui, M., N. Kuraishi, K. Eto, A. Hamidy, K. Nishikawa, T. Shimada, P. Yambun, C. S. Vairappan, M. Y. Hossman. 2016. Unusually high genetic diversity in the Bornean Limnonectes kuhlii-like fanged frogs (Anura: Dicroglossidae). Molecular Phylogenetics and Evolution 102 (7):305–319. (doi: 10.1016/j.ympev.2016.06.009)
80)Eto, K., M. Mastui, and K. Nishikawa. 2016. A new highland species of the dwarf litter frog genus Leptobrachella (Amphibia: Anura: Megophryidae) from Sarawak. Raffles Bulletin of Zoology 64(8):194–203.
81)Nishikawa, K. and S. Ochi. 2016. A report of scavenging by the Japanese Rice Frog, Fejervarya kawamurai (Amphibia: Anura: Dicroglossidae). Current Herpetology 35(2): 132–134. (doi: 10.5358/hsj.35.132)
82)Nishikawa, K. 2016. Species diversity of Japanese amphibians: recent progress and future prospects of systematic studies. pp 165–181. In: Species Diversity of Animals in Japan (Eds. by M. Motokawa and H. Kajihara). Springer.
82)Nishikawa, K. 2016. Species diversity of Japanese amphibians: recent progress and future prospects of systematic studies. pp 165–181. In: Species Diversity of Animals in Japan (Eds. by M. Motokawa and H. Kajihara). Springer.
83)Nishikawa, K., T. Dujsebayeva, M. Matsui, N. Yoshikawa, and A. Tominaga. 2017. Historical demography of an endangered salamander, Ranodon sibiricus (Amphibia, Urodela, Hynobiidae), a reassessment. Zoological Science 34(1):18–25. (doi: 10.2108/zs160099)
84)Matsui, M., K. Eto, K. Nishikawa, A. Hamidy, D. Belabut, N. Ahmad, S. Panha, and W. Khonsue. 2017. Mitochondrial phylogeny of Leptolalax from Malay Peninsula and Leptobrachella (Anura, Megophryidae). Current Herpetology 36(1):11–21. (doi: 10.5358/hsj.36.11).
85)Bletz, M., M. Vences, J. Sabino-Pinto, Y. Taguchi, N. Shimizu, K. Nishikawa, and A. Kurabayashi. 2017. Cutaneous bacterial communities of Japanese giant salamanders (Andrias japonicus). Hydrobiologia 795(1): 153–167. (doi: 10.1007/s10750-017-3126-2).
86)Muto, K., K. Nishikawa, R. Kamikawa, and H. Miyashita. 2017. Symbiotic green algae in eggs of Hynobius nigrescens, an amphibian endemic to Japan. Phycological Research 65(2):171–174. (doi: 10.1111/pre.12173).
87)Song, J.-Y., M. Matsui, T. Matsuki, K. Nishikawa, K.-S. Koo, and H.-S. Oh. 2017. Age and growth of a unique Asian plethodontid salamander, Karsenia koreana. Zoological Science 34(2):122–128. (doi: 10.2108/zs160158).
88)Kurita, T., K. Nishikawa, M. Matsui, and T. Hikida. 2017. A new species of rock gecko genus Cnemaspis (Squamata: Gekkonidae) from western Sarawak, Malaysia. Zootaxa 4258(6):525–538. (doi: 10.11646/zootaxa.4258.6.2).
89)Kojima, K., Y. Matsutani, T. Yamashita, M. Yanagawa, Y. Imamoto, Y. Yamano, A. Wada, O. Hisatomi, K. Nishikawa, K. Sakurai, and Y. Shichida. 2017. Adaptation of cone pigments found in green rods for scotopic vision through a single amino acid mutation. Proceedings of the National Academy of Sciences of the United States of America 114(21):5437–5442. (doi: 10.1073/pnas.1620010114).
90)Nishikawa, K., M. Matsui, Y. Kaneko, and N. Yoshikawa 2017. Andrias japonicus (Japanese Giant Salamander). Diet. Herpetological Review 48(1):152–153.
91)Shiozaki, T. and K. Nishikawa. 2017. Polypedates otilophus (File-eared Tree Frog). Predation. Herpetological Review 48(2):415.
92)Matsui, M., K. Nishikawa, K. Eto, H. Mohamad. 2017. A new species of Pelophryne from western Sarawak, Malaysian Borneo (Anura, Bufonidae). Zoological Science 34(4):345 –350. (doi: 10.2108/zs170008).
93)Matsui, M., K. Eto, D. M. Belabut, and K. Nishikawa. 2017. A new Kalophrynus (Amphibia, Anura, Microhylidae) from Peninsular Malaysia. Current Herpetology 36(2):75–86. (doi: 10.5358/hsj.36.75).
94)Matsui, M., Y. Misawa, K. Nishikawa, and T. Shimada. 2017. A new species of lentic breeding salamander (Amphibia, Caudata) from central Japan. Current Herpetology 36(2):116–126. (doi: 10.5358/hsj.36.116).
95)Matsui, M., S. T. Yeo, K. Nishikawa, R. Zainudin, K. Eto, and A. Hamidy. 2017. Biological notes on an enigmatic Microhylid, Gastrophrynoides borneensis (Anura, Microhylidae). Raffles Bulletin of Zoology 65:466–473.
96)Matsui, M., K. Nishikawa, and A. Tominaga. 2017. Taxonomic relationships of Hynobius stejnegeri Dunn, 1923 and H. yatsui Oyama, 1940, with description of the amber-colored salamander from Kyushu, Japan (Amphibia, Caudata). Zoological Science 34(6):538–545. (doi: 10.2018/zs170038).
97)Wang, B., K. Nishikawa, M. Matsui, T. Q. Nguyen, F. Xie, C. Li, J. R. Khatiwada, B. Zhang, D. Gong, Y. Mo, G. Wei, X. Chen, Y. Shen, D. Yang, R. Xiong, and J. Jiang. 2018. Phylogenetic surveys on the newt genus Tylototriton sensu lato (Salamandridae, Caudata) revealed cryptic diversity and novel diversification promoted by historical climatic shifts. PeerJ 6:e4384. (doi:10.7717/peerj.4384).
98)Komada, N., M. Matsui, K. Yamada, M. Takada, K. Nishikawa, A. Tominaga, and T. Tanaka-Ueno. 2018. Genetic uniformity of Japanese giant salamander (Amphibia, Caudata) from Kiso River, central Japan. Current Herpetology 37(1):23–29. (doi: 10.5358/hsj.37.23).
99)Nakano, T., K. Eto, K. Nishikawa, M. Y. Hossman, and E. Jeratthitikul. 2018. Systematic revision of the Southeast Asian macrophagous leeches, with the description of two new gastrostomobdellid species (Hirudinida: Arhynchobdellida: Erpobdelliformes). Zoological Journal of the Linnean Society. 184 (1):1–30. (doi: 10.1093/zoolinnean/zlx097).
100)Tominaga, A., M. Matsui, N. Yoshikawa, K. Eto, and K. Nishikawa. 2018. Genome wide displacement and shift of the hybrid zone in the Japanese fire-bellied newt. Journal of Heredity 109(3):232–242. (doi: 10.1093/jhered/esx085).
101)Chen, J.-M., B. Stuart, H.-M. Chen, H.-Q. Liu, N. Poyarkov, C. Suwannapoom, J.-Q. Jin, R. W. Murphy, R. Brown, A. Lathrop, T. Nguyen, T. V. Duong, Z.-Y. Yuan, K. Eto, Y.-H. Wu, S. N. Nguyen, Y.-Y. Wang, W.-W.Zhou, K. Nishikawa, M. Matsui, N. L. Orlov, J. Rowley. 2018. Large-scale phylogenetic analyses provide insights into unrecognized diversity and historical biogeography of Asian leaf-litter frogs, genus Leptolalax (Anura: Megophryidae). Molecular Phylogenetics and Evolution 124(7):162–171. (doi: 10.1016/j.ympev.2018.02.020).
102)Matsui, M., Y. Kawahara, K. Eto, K. Nishikawa, A. Hamidy, N. Ahmad, and M. Y. Hossman. 2018. Distinct species status of Kurixalus chaseni as revealed by mitochondrial phylogeny. Alytes. 36(1–4):170–177.
103)Tabata, R., H. Nishizawa, T. Hori, S. Seki, K. Nishikawa, and H. Mitamura. 2018. Electronic tag retention and survival of giant salamanders after surgical implantation. Current Herpetology 37(2):133–142. (doi: 10.5358/hsj.37.133).
104)Tominaga, S., M. Matsui, and K. Nishikawa. 2019. Two new species of lotic breeding salamanders (Amphibia, Caudata, Hynobiidae) from western Japan. Zootaxa: 4550(4):525–544. (doi: 10.11646/zootaxa.4550.4.3).
105)Matsui, M., H. Okawa, K. Nishikawa, G. Aoki, K. Eto, N. Yoshikawa, S. Tanabe, Y. Misawa and A. Tominaga. 2019. Systematics of the widely distributed Japanese clouded salamander, Hynobius nebulosus (Amphibia: Caudata: Hynobiidae), and its closest relatives. Current Herpetology 38(1):32–90. (doi: 10.5358/hsj.38.32).
106)Matsui, M., Y. Kawahara, K. Nishikawa, S. Ikeda, K. Eto, and Y. Mizuno. 2019. Molecular phylogeny and evolution of two Rhacophorus species endemic to mainland Japan. Asian Herpetological Research 2019(2):86–104. (doi: 10.16373/j.cnki.ahr.190015).
107)Hamanaka, K., T. Kurita, K. Eto, T. Morikawa, E. Q. Deka, N. A. Alaudin, M. M. Agoh, I. Fukuyama, T. Tokuyama, T. Hino, R. Fukuyama, K. Fujishima, T. Ijichi, K. Nishikawa, R. Zainudin, and M. Y. Hossman. 2019. An update of herpetofauna in Bako National Park, Sarawak, Malaysian Borneo, with a critical review. Malayan Nature Journal 71(2):163–173.
108)Tominaga, A., M. Matsui, N. Shimoji, W. Khonsue, C.-S. Wu, M. Toda, K. Eto, K. Nishikawa, and H. Ota. 2019. Relict distribution of Microhyla (Amphibia: Microhylidae) in the Ryukyu Archipelago: high diversity in East Asia maintained by insularization. Zoologica Scripta 2019: 440–453. (doi: 10.111/zsc.12361)
109)Tominaga, S., M. Matsui, S. Tanabe, and K. Nishikawa. 2019. A revision of Hynobius stejnegeri, a lotic breeding salamander from western Japan, with a description of three new species (Amphibia, Caudata, Hynobiidae). Zootaxa: 4651(3): 401–433. (doi: 10.11046/zootaxa.4651.3.1)
110)Fukuyama, I., T. Hikida, M. Y. Hossman, and K. Nishikawa. 2019. A new species of the genus Larutia (Squamata: Scincidae) from Gunung Penrissen, Sarawak, Borneo. Zootaxa: 4661(3):522–532. (doi: 10.11646/zootaxa.4661.3.6).
111)Fukuyama, I., K. Nishikawa, K. Takata, T. Shimada, and A. Hamidy. 2019. Gonocephalus borneensis (Borneo Anglehead Lizard) Reproduction. Herpetological Review 50(3):575–576.
112)Kurita, T., A. Nakanishi, N. Komada, S. Shimano, R. Satria, U. Shimizu-kaya, M. Shinoda, I. Asano, T. Itioka, M. Y. Hossman, and K. Nishikawa. 2019. Observation of the eggs of parachute gecko, genus Ptychozoon (Squamata: Gekkonidae), on an epiphytic fern growing in the forest canopy Herpetology Notes 12:1077–1081.
113)Matsui, M., K. Nishikawa, K. Eto, and M. Y. Hossman. 2020. Two new Ansonia from mountains of Borneo (Anura, Bufonidae). Zoological Science 37(1):1–11. (doi: 10.2108/zs190078).
114)Zabuga, A. V., M. I. Arrigo, J. Teyssier, K. Nishikawa, M. Matsui, M. Vences, and M. C. Milinkovitch. 2020. Translucent in air and iridescent in water: structural analysis of a salamander egg sac. Soft Matter 2020 (16):1714–1721. (doi: 10.1039/c9sm02151e).
115)Pomchote, P., K. Wichase, P. Sapewisut, K. Eto, and K. Nishikawa. 2020. Discovering a population of Tylototriton verrucosus sensu stricto (Caudata: Salamandridae) from Thailand: implication for conservation. Tropical Natural History 20(1):1–15.
116)Fukuyama, I., M. Hibino, K. Nishikawa, and D. Sanamxay. 2020. First record of Calliophis maculiceps (Günther, 1858) (Serpentes, Elapidae) in the Khammouane Province, Lao PDR. Herpetology Notes 13:175–177.
117)Fukuyama, I., M. Y. Hossman, and K. Nishikawa. 2020. Second specimen of the Bornean rare snake Xenophidion acanthognathus (Xenophidiidae, Serpentes, Reptilia): a distinct specific status from the other congener X. schaeferi. Raffles Bulletin of Zoology 68: 214–219.
118)Fukutani, K., H. Onuma, and K. Nishikawa. 2020. A first report on arboreal breeding of Rhacophorus schlegelii (Günther, 1858) (Amphibia, Rhacophoridae). Herpetology Notes 13:341–342.
119)Goldschmidt, T., K. Nishikawa, S. F. Hiruta, and S. Shimano. 2020. Description of three new species of Hygrobates Koch, 1837 (Lurchibates Goldschmidt & Fu, 2011) (Acari, Hydrachnidia, Hygrobatidae), parasitic in newts of the genera Paramesotriton and Pachytriton (Amphibia, Caudata, Salamandridae) from China. Zootaxa: 4768(1):25–42. (doi: 10.11646/zootaxa.4768.1.3).
120)Nishikawa, K., T. Goldschmidt, S. F. Hiruta, and S. Shimano. 2020. Taxonomic amendments of Southeast Asian newt species of the genera Pachytriton, Paramesotriton and Laotriton (Amphibia, Urodela, Salamandridae) parasitized by water mites of the subgenus Lurchibates (Hydrachnidia, Hygrobatidae, Hygrobates). Zootaxa: 4768(2):297–300. (doi: 10.11646/zootaxa.4768.2.11).
121)Munir, M., A. Hamidy, M. Matsui, M. D. Kusrini. and K. Nishikawa. 2020. A new species of Micryletta Dubois, 1987 (Amphibia: Anura) from Sumatra, Indonesia. Zoological Science 37(3):1–7. (doi: 10.2108/zs200006)
122)Hibino, M., I. Fukuyama, K. Nishikawa, and D. Sanamxay. 2020. Calliophis maculiceps (Small-spotted Coral Snake). Defensive behavior. Herpetological Review 51(2):343–344.
123)Kanamori, S., M. Y. Hossman, and K. Nishikawa. 2020. Dryophiops rubescens (Keel-bellied Whipsnake). Diet. Herpetological Review 51(2):350.
124)Pomchote, P., K. Wichase, P. Thammachoti, P. Peerachidacho, C. Suwannapoom, A. Hernandez, Y. Onishi, and K. Nishikawa. 2020. A new Tylototriton (Urodela: Salamandridae) from Nan Province, northern Thailand. Tropical Natural History 20(2): 144–161.
125)Hara, S. and K. Nishikawa. 2020. Intraspecific variation in the external and skeletal morphology of Hynobius setouchi Matsui, Okawa, Tanabe et Misawa, 2019 (Amphibia: Urodela: Hynobiidae). Zoological Science 37(4):1–12. (doi: 10.2108/zs190155)
126)Hiruta, F. S., S. Morimoto, G. Yoshinari, T. Goldschmidt, K. Nishikawa, and S. Shimano. 2020. Complete mitochondrial genomes of water mates Hygrobates (H.) longiporus and Hygrobates (Rivobates) taniguchii (Acari, Trombidiformes, Hygrobatoidea). Mitochondrial DNA Part B 5(3):2987–2989. (doi: 10.1080/ 23802359.2020.1793226)
127)Kojima, Y., I. Fukuyama, T. Kurita, M. Y. Hossman, and K. Nishikawa. 2020. Mandibular sawing in a snake. Scientific Reports 10:12670. (doi: 10.1038/s41598-020-69436-7)
128)Nishikawa, K., K. Wichase, A. Aowphol, A. Rujirawan, N. Ampai, and P. Pomchote. 2020. Note on eggs and brooding of topotypic Ichthyophis kohtaoensis Taylor, 1960 (Amphibia: Gymnophiona: Ichthyophiidae) in dry season. Tropical Natural History 20(2):219–222.
129)Hamanaka, K., H. Akimoto, A. Otake, K. Yamamoto, and K. Nishikawa. 2020. Andrias japonicus (Japanese Giant Salamander). Diet. Herpetological Review 51(3): 554–555.
130)Nishikawa, K. 2020. Hynobius nebulosus (Japanese clouded salamander). Mortality. Herpetological Review 51(3):556.
131)Fujishima, K., K. Nishikawa, S. Hara, and M. Y. Hossman. 2020. Rhabdophis conspicillatus (Red-bellied Keelback). Antipredator behavior. Herpetological Review 51(3):627–628.
132)Nishikawa, K., Sanamxay, D., T. Kurita, M. Hibino, T. Jono, and T. T. Nguyen. 2020. A new and highest record of Tylototriton notialis (Amphibia: Urodela: Salamandridae). Academia Journal of Biology 42(4):135–137. (doi: 10.15625/2615-9023/v42n4.14932)
133)Kurita, T., Y. Kojima, M. Y. Hossman, and K. Nishikawa. 2020. Phylogenetic position of the bizarre horned lizard Harpesaurus borneensis: co-evolution of parity mode with habitat and behavior in Draconinae (Squamata: Agamidae). Systematics and Biodiversity 18(7): 675–687. (doi: 10.1080/14772000.2020.1795741)
134)Matsui, M., N. Yoshikawa, G. Aoki, K. Sasamori, M. Matsui, S. Tanabe, Y. Misawa, and K. Nishikawa. 2020. Wide distribution but low differentiation: Phylogenetic relationships and phylogeography of Hynobius nigrescens (Amphibia: Caudata). Zoological Science: 37(6):529–537. (doi: 10.2108/zs200099)
135)Fukuyama, I., G. Vogel, M. Matsui, K. Eto, M. Munir, M. Y. Hossman, A. Hamidy, and K. Nishikawa. 2020. Systematics of Calliophis intestinalis with the resurrection of C. nigrotaeniatus (Elapidae, Serpentes). Zoological Science 37(6):586–594. (doi: 10.2108/zs200100)
136)Ito, M., Y. Kojima, K. Nishikawa, and Y. M. Hossman. 2020. Reproductive behavior of the File-eared Tree Frog at a high tree in the rain forest. Herpetology Notes 13: 1063–1067.
137)Kimura, K., A. Noda, Y. Kojima, M. Y. Hossman, and K. Nishikawa. 2020. Diurnal resting and colouration in two species of Bornean rhacophorids, Polypedates otilophus and Rhacophorus pardalis. Herpetology Notes 13: 1069–1071.
138)Fujishima, K., T. Kodama, Y. Kojima, Y. M. Hossman, and K. Nishikawa. 2021. Short-term movements of Boiga nigriceps (Günther, 1863) with notes on its diet (Squamata: Colubridae). Herpetology Notes 14:83–89.
139)Onishi, Y., T. K. Pe, Z. Y. A. Sai, M. Ko, L. T. Thida, and K. Nishikawa. 2021. Range expansion of Tylototriton shanorum (Salamandridae, Urodela) in Shan State, Myanmar, referring to the relic and circum-highland lake distribution. The Natural History Bulletin of the Siam Society 64(1):47–50.
140)Matsui, M., K. Nishikawa, K. Eto, A. Hamidy, M. Y. Hossman, and I. Fukuyama. 2021. A New Occidozyga from Sarawak, Malaysian Borneo (Anura, Dicroglossidae). Zootaxa 4926(4):535–546. (doi: 10.11646/zootaxa.4926.4.4)
141)Tran, D. V., S. Terui, K. Nomoto, and K. Nishikawa. 2021. Ecological niche differentiation of two salamanders (Caudata, Hynobiidae) from Hokkaido Island, Japan. Ecological Research 36(2): 281–292. (doi: 10.1111/1440-1703.12191)
142)Fukuyama, R., I. Fukuyama, T. Kurita, Y. Kojima, M. Y. Hossman, A. Noda, and K. Nishikawa. 2021. New herpetofaunal records from Gunung Mulu National Park and its surrounding areas, Borneo. Herpetozoa 34:89–96. (doi: 10.3897/herpetozoa.34.e63998)
143)Niwa, K., M. Kuro-o, and K. Nishikawa. 2021. Discovery of two lineages of Hynobius tsuensis (Amphibia, Caudata) endemic to Tsushima Island, Japan. Zoological Science 38(3): 259–266 (doi: 10.2108/zs200149)
144)Noda, A., I. Fukuyama, K. Kimura, R. Fukuyama, Y. Kojima, M. Y. Hossman, and K. Nishikawa. 2021. Daily movement and microhabitat use of the spiny slender toad, Ansonia spinulifer (Mocquard, 1890) in Sarawak, Borneo. Herpetology Notes 14:833–837.
145)Nishikawa, K., Y.-T. Ju, S.-W. Jheng, Y.-Z. Lin, S. Hara, J.-S. Lai, S.-M. Lin, and K.-Y. Lue. 2021. Taxonomic clarification and neotype designation of two Taiwanese salamanders (Amphibia, Urodela, Hynobiidae). Zootaxa: 4981(1):188–196. (doi: 10.11646/zootaxa.4981.1.11)
146)Goldschmidt, T., K. Nishikawa, S. F. Hiruta, T. Pfingstl, J.-P. Jiang, and S. Shimano. 2021. Systematics, distribution and morphology of the newt parasitic water mites of the subgenus Lurchibates Goldschmidt & Fu, 2011 (Acari, Hydrachnidia, Hygrobatidae, Hygrobates Koch, 1837), including the description of four new species and a key to all so far known species. Zootaxa 4985(1):1–36. (doi: 10.11646/zootaxa.4985.1.1)
147)Munir, M., A. Hamidy, M. D. Kusrini, U. F. Kennedi, M. A. Ridha, D. I. Qayyim, R. Rafsazani, and K. Nishikawa. 2022. A new species of Chirixalus Boulenger, 1893 (Anura: Rhacophoridae) from the lowland forests of Java. Raffles Bulletin of Zoology 69: 219–234. (doi: 10.26107/RBZ-2021-0018)
148)Fukuyama, I., M. Matsui, K. Eto, M. Y. Hossman, and K. Nishikawa. 2021. Taxonomic revision of Kalophrynus nubicola Dring, 1983 (Amphibia, Anura, Microhylidae) with descriptions of two new species. Zoologischer Anzeiger 293: 326–343. (doi: 10.1016/j.jcz.2021.06.016)
149)Nishikawa, K., M. Matsui, N. Yoshikawa, M. Hibino, W. Khonsue, P. Pomchote, T. T. Nguyen, and D. Sanamxay. 2021. Ichthyophis bannanicus Yang, 1984, a subjective junior synonym of I. kohtaoensis Taylor, 1960 (Amphibia: Gymnophiona: Ichthyophiidae). Alytes 38(1):1–17.
150)Tsuchida, K., M. Urabe, and K. Nishikawa. 2021. The first survey for helminths parasitic in hybrid and introduced Andrias (Amphibia: Caudata: Cryptobranchidae) in Kyoto, Japan. Current Herpetology 40(2): 109–119. (doi: 10.5358/hsj.40.109)
151)Engel, M. S., L. M. P. Ceríaco, G. M. Daniel, P. M Dellapé, I. Löbl, M. Marinov, R. E. Reis, M. T. Young, A. Dubois, I. Agarwal, A. P. Lehmann, M. Alvarado, N. Alvarez, F. Andreone, K. Araujo-Vieira, J. S. Ascher, D. Baêta, D. Baldo, S. A. Bandeira, P. Barden, D. A. Barrasso, L. Bendifallah, F. A. Bockmann, W. Böhme, A. Borkent, C. R. F. Brandão, S. D. Busack, S. M. Bybee, A. Channing, S. Chatzimanolis, M. J. M. Christenhusz, J. V. Crisci, G. D’elía, L. M. Da Costa, S. R. Davis, C. A. S. De Lucena, T. Deuve, S. F. Elizalde, J. Faivovich, H. Farooq, A. W. Ferguson, S. Gippoliti, F. M. P. Gonçalves, V. H. Gonzalez, E. Greenbaum, I. A. Hinojosa-Díaz, I. Ineich, J. Jiang, S. Kahono, A. B. Kury, P. H. F. Lucinda, J. D. Lynch, V. Malécot, M. P. Marques, J. W. M. Marris, R. C. Mckellar, L. F. Mendes, S. S. Nihei, K. Nishikawa, A. Ohler, V. G. D. Orrico, H. Ota, J. Paiva, D. Parrinha, O. S. G. Pauwels, M. O. Pereyra, L. B. Pestana, P. D. P. Pinheiro, L. Prendini, J. Prokop, C. Rasmussen, M.-O. Rödel, M. Trefaut Rodrigues, S. M. Rodríguez, H. Salatnaya, Í. Sampaio, A. Sánchez-García, M. A. Shebl, B. S. Santos, M. M. Solórzano-Kraemer, A. C. A. Sousa, P. Stoev, P. Teta, J.-F. Trape, C. Van-Dúnem D. Santos, K. Vasudevan, C. J. Vink, G. Vogel, P. Wagner, T. Wappler, J. L. Ware, S. Wedmann, and C. K. Zacharie. 2021. The taxonomic impediment: a shortage of taxonomists, not the lack of technical approaches. Zoological Journal of the Linnean Society 193(2):381–387. (doi: 10.1093/zoolinnean/zlab072)
152)Hara, S. and K. Nishikawa. 2021. Osteological description of the Setouchi salamander, Hynobius setouchi (Urodela, Hynobiidae). Anatomical Records: online. (doi: doi/10.1002/ar.24789)
153)Munir, M., K. Nishikawa, A. Hamidy, and E. N. Smith. 2021. Two new species of Megophrys Kuhl & Van Hasselt (Amphibia: Megophryidae) from Sumatra, Indonesia. Zootaxa 5957(4): 503–529. (doi: 10.11646/zootaxa.5057.4.3)
154)Tanaka, K. and K. Nishikawa. 2021. First record of bicephaly in Bufo torrenticola Matsui, 1976 (Amphibia: Anura: Bufonidae). Herpetology Notes 14: 1313–1314.
155)Suzuki, T., K. Nishikawa, Y. Sato, and M. Toda. 2021. Development and evaluation of Loop-Mediated Isothermal Amplification (LAMP) assay for quick identification of Japanese salamander, Hynobius tokyoensis. Genes & Genetic Systems 96: 1–6. (doi: 10.1266/ggs.21-00046)
156)Pomchote, P., P. Peerachidacho, A. Hernandez, P. Sapewisut, W. Khonsue, P. Thammachoti, and K. Nishikawa. 2021. A new species of the genus Tylototriton (Caudata, Salamandridae) from western Thailand. Zookeys 1072: 83–105.
157)Tran, D. V. and K. Nishikawa 2021. Paramesotriton guangxiensis (Guangxi Warty Newt). Defensive behavior. Herpetological Review 52(4): 819–820.
158)Yoshikawa, N., S. Yamamura, K. Nishikawa, and M. Y. Hossman. 2021. Ansonia leptopus (Brown Slender Toad). Antipredator behavior. Herpetological Review 52(4): 821–822.
159)Haramura, T., K. Eto, M. R. Crossland, K. Nishikawa, and R. Shine. 2022. Competition between the tadpoles of Japanese toads versus frogs. Scientific Reports 12:1627. (doi: 10.1038/s41598-022-05525-z)
160)Sakata, K. M., M. U. Kawata, A. Kurabayashi, T. Kurita, M. Nakamura, T. Shirako, R. Kakehashi, K. Nishikawa, M. Y. Hossman, T. Nishijima, J. Kabamoto, M. Miya, and T. Minamoto. 2022. Development and evaluation of PCR primers for environmental DNA (eDNA) metabarcoding of Amphibia. Metabarcoding and Metagenomics 6: 15–26. (doi: 10.3897/mbmg.6.76534)
161)Tanaka, K. and K. Nishikawa. 2022. Developmental stage of lotic-breeding toad Bufo torrenticola (Amphibia: Anura: Bufonidae) with a comparison to lentic-breeding B. japonicus formosus (Amphibia: Anura: Bufonidae). Current Herpetology 41(1): 8–23. (doi: 10.5358/hsj.41.8)
162)Niwa, K., N. Yoshikawa, K. Nishikawa, and M. Matsui. 2022. Development of eight microsatellite markers for the Tsushima salamander, Hynobius tsuensis and its close relatives (Amphibia; Caudata). Current Herpetology 41(1): 125–131. (doi: 10.5358/hsj.41.125)
1a) Fukuyama, I. Odorrana supranarina (Large Tip-nosed Frog). DIET. Herpetological Review 49(4): 729. 2018.
2a) 福山伊吹&福山亮部. サキシマハブおよびサキシママダラの死体食3例. AKAMATA, 28: 3–6. 2018.
3a) 甲斐一・福山伊吹・加山康之助・福山亮部. ヤエヤマヒバァによるカエルの卵の捕食例. AKAMATA, 28: 15–17. 2018.
4a) Fukuyama, I. Takydromus dorsalis (Sakishima Grass Lizard). PREDATION. Herpetological Review 50(1): 145–146. 2019.
5a) Fukuyama, I., & T. Kodama. Cyclophiops semicarinatus (Ryukyu Green Snake). DIET. Herpetological Review 50(2): 391–392. 2019.
6a) Fukuyama, I., K. Hamanaka., & K. Fujishima. Cyclophiops semicarinatus (Ryukyu Green Snake). ARBOREALITY. Herpetological Review 51(2): 347. 2020.
7a) Fukuyama, I. Ovophis okinavensis (Hime Habu). LEUCISM. Herpetological Review 51(3): 624–625. 2020.
8a) Fukuyama, I. & Fukuyama, R. Sinomicrurus macclellandi iwasakii. DEFENSIVE BEHAVIOR and DIET. Herpetological Review 51(4): 878–880. 2020.
9a) Fukuyama, R. & Fukuyama, I. (2021). Achalinus formosanus chigirai. DEFENSIVE BEHAVIOR and DIET. Herpetological Review, 52(1):144–145.
10a) 福山伊吹 & 戸田守. ヤエヤマヒバァによるヤエヤマハラブチガエルの捕食例. AKAMATA, 30: 7–9. 2021.
11a) 福山伊吹・森哲.アオダイショウの食性と体サイズの関係に関する文献調査.爬虫両棲類学会報 2017(2):180–186. 2017.
12a) Fukuyama, I. & Nakano, T. The Chinese red-headed centipede Scolopendra mutilans (Chilopoda: Scolopendridae) is a predator of the terrestrial macrophagous leech Orobdella whitmani (Hirudinida: Orobdellidae). Edaphologia (103): 33-34. 2018.
13a) 福山伊吹.鹿児島県からのタカチホヘビの記録2例.爬虫両棲類学会報 2019(1):50–51. 2019.
14a) 國島大河・高田賢人・松野茂富. 2020. 和歌山県北山村で採集された標本に基づく和歌山県初記録のサワガニ青色型. 日本生物地理学会会報 75, 120–122.
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