A New Species of Cascade Frog of Odorrana Fei, Yi et Huang, 1990 Genus (Amphibia: Anura: Ranidae) from Bac Giang Province (Yen Tu Mountain Range, Northeast Vietnam)

Thanh Tung Tran, Nikolai L. Orlov, Thien Tao Nguyen

Abstract


A new species of cascade frog of genus Odorrana is described from Northeast Vietnam, Yen Tu Mountain Range [Tam Kham, Thanh Son, Son Dong district, Bac Giang Province (Tay Yen Tu Nature Reserve)]. This small species of the genus Odorrana is characterized by a combination of the following characters: SVL (mm): males 44.33 – 45.49, mean 44.87; females 59.33 – 61.94, mean 60.85; body relatively short; oblique ridges, reaching upper part of rounded choanas; ventral skin smooth; lacking ventral spinules and ventrolateral cluster near to the insertion of the forearm. Dorsal skin is slightly rough, and hind part of the dorsal surface below sacrum is very rough (shagreen) because of small sharp tubercles completely covering this area; dorsum of body is light brown with rare dark spots of irregular shape; ventral side of body light, yellowish white, without spots; dorsolateral fold is accompanied by black edging, interrupted backwards; fore- and hindlimbs from above brown with dark transversal bands, from below, yellowish without spots; webs of feet gray. Comparison with other species of Odorrana genus and data on natural history are provided.

Keywords


Anura; Ranidae; cascade frogs Odorrana; Huia; Amolops; a new species; Northeast Vietnam; Bac Giang Province

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References


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DOI: http://dx.doi.org/10.30906/1026-2296-2019-15-%25s-212-224

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