Onychodactylus tsukubaensis Yoshikawa and Matsui, 2013

Class: Amphibia > Order: Caudata > Family: Hynobiidae > Subfamily: Onychodactylinae > Genus: Onychodactylus > Species: Onychodactylus tsukubaensis

Onychodactylus tsukubaensis Yoshikawa and Matsui, 2013, Curr. Herpetol., Kyoto, 32: 11. Holotype: KUHE 41388, by original designation. Type locality: "a small strean on Mt. Tsukuba (140° 6′ E, 36° 13′ N, 600 m asl) in Sakuragawa-shi (formerly Makabecho), Ibaraki Prefecture, Japan".

Onychodactylus (Onychodactylus) tsukubaensis — Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 49. 

English Names

Tsukuba Clawed Salamander (original publication).


Tsukuba Mountains of eastern Honshu, Japan.

Geographic Occurrence

Natural Resident: Japan

Endemic: Japan


In the Onychodactylus japonicus group and formerly referred to as subclade II-B of Onychodactylus japonicus by Yoshikawa, Matsui, Nishikawa, Kim, and Kryukov, 2008, Mol. Phylogenet. Evol., 49: 249-259. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 49, provided a brief account, photo, and range map. Sparreboom, 2014, Salamanders Old World: 118–119, reviewed the biology, characteristics, distribution, reproduction, and conservation of the species. Raffaëlli, 2022, Salamanders & Newts of the World: 35–36, provided a detailed account, covering systematics, life history, distribution (including a polygon map), and conservation status.  

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