Toshihiro Tokiwa, Shyun Chou, Riona Morizane, Natsuhiko Yoshikawa. Black-spotted pond frog Pelophylax nigromaculatus as a new host for the renal coccidian genus Hyaloklossia (Alveolata: Apicomplexa). International Journal for Parasitology: Parasites and Wildlife. 2022. 17. 194-198
Keita Niwa, Natsuhiko Yoshikawa, Kanto Nishikawa, Masafumi Matsui. Development of Eight Microsatellite Markers for the Tsushima Salamander, Hynobius tsuensis, and its Close Relatives (Amphibia: Caudata) with Preliminary Analysis of Genetic Differentiation. Current Herpetology. 2022. 41. 1. 125-131
Natsuhiko Yoshikawa, Masafumi Matsui. A New Salamander of the Genus Onychodactylus from Central Honshu, Japan (Amphibia, Caudata, Hynobiidae). Current Herpetology. 2022. 41. 1. 82-100
Yoshikawa, N, S. Yamamura, K. Nishikawa, Md. Y. Hossman. Ansonia leptopus (Brown slender toad) Antipredator behavior. Herpetological Review. 2021. 52
Kanto NISHIKAWA, Masafumi MATSUI, Natsuhiko YOSHIKAWA, Wichase KHONSUE, Porrawee POMCHOTE, Masatoshi HIBINO, Tao Thien NGUYEN, Daosavanh SANAMXAY. Ichthyophis bannanicus Yang, 1984, a junior subjective synonym of I. kohtaoensis Taylor, 1960 (Amphibia, Gymnophiona, Ichthyophiidae). Alytes. 2021. 38. 1-4. 1-17
2014/11 - UniBio Press UniBio Press Award The most accessed article in 2013 in “Current Herpetology”
2012/07 - The 2nd International Symposium on East Asian Vertebrate Species Diversity Best Presentation Award Genetic variation and Systematics of Onychodactylus japonicus (Caudata: Hynobiidae)
2012/06 - The 5th Asian Herpetological Conference Presentation Award Systematics and phylogeography of the genus Onychodactylus (Urodela, Hynobiidae)