Bufo torrenticola Matsui, 1976

Class: Amphibia > Order: Anura > Family: Bufonidae > Genus: Bufo > Species: Bufo torrenticola

Bufo torrenticola Matsui, 1976, Contrib. Biol. Lab. Kyoto Univ., 25: 1. Holotype: OMNH Am 4202, by original designation. Type locality: "Shiokara-dani Valley, 1400 metres on Mt. Hidegatake, Ohdaigahara, Nara Prefecture, [Honshu I.], Japan".

Bufo japonicus torrenticolaKawamura, Nishioka, and Ueda, 1980, Sci. Rep. Lab. Amph. Biol. Hiroshima Univ., 4: 12.

Bufo (Bufo) torrenticolaDubois and Bour, 2010, Zootaxa, 2447: 24.

English Names

Honshu Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 43).

Japanese Stream Toad (Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 41; Maeda and Matsui, 1990, Frogs Toads Japan, Ed. 2: 27; Goris and Maeda, 2004, Guide Amph. Rept. Japan" 54).

Distribution

Mountains of western Chubu District to Kinki District of central Honshu, Japan.

Geographic Occurrence

Natural Resident: Japan

Endemic: Japan

Comment

In the Bufo bufo group and related to Bufo japonicus, according to the original publication. Kawamura, Nishioka, and Ueda, 1980, Sci. Rep. Lab. Amph. Biol. Hiroshima Univ., 4: 12, found no genetic isolation in laboratory hybridization between Bufo japonicus and Bufo torrenticola and considered Bufo torrenticola to be a subspecies of Bufo japonicus. However, both forms remain distinct in sympatry according to the original publication. Igawa, Kurabayashi, Nishioka, and Sumida, 2006, Mol. Phylogenet. Evol., 38: 250-260, found Bufo torrenticola to be phylogenetically imbedded within Bufo japonicus, on the basis of mtDNA evidence. See Matsui, 1984, Contrib. Biol. Lab. Kyoto Univ., 26: 209-428, for morphometric variation analysis and revision. Highton, 2000, in Bruce et al., Biol. Plethodontid Salamanders: 233-234, discussed the previously published evidence and supported the recognition of Bufo torrenticola as a species distinct from Bufo japonicus. See Maeda and Matsui, 1990, Frogs Toads Japan, Ed. 2: 23-27, for account. Goris and Maeda, 2004, Guide Amph. Rept. Japan: 54-56, provided an account, map, and photograph. Yamazaki, Kouketsu, Fukuda, Araki, and Nambu, 2008, J. Herpetol., 42: 427-436, documented introgression with Bufo japonicus formosusTanaka and Nishikawa, 2022, Curr. Herpetol., Kyoto, 41: 8–23, compared morphological larval development with that of Bufo japonicus formosusFukutani, Matsui, Tran, and Nishikawa, 2022, PeerJ, 10 (e13452): 1–27, found that Bufo japonicus mtDNA are paraphyletic with respect to this species and on this basis considered Bufo torrenticola to be a subspecies of Bufo japonicus, but Fukutani, Matsui, and Nishikawa, 2023, PeerJ, 11(e16302): 1–27, subsequently recognized the species as part of a report on hybrid zones of Bufo formosus and Bufo praetextatus.   

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