A new Occidozyga from Sarawak, Malaysian Borneo (Anura: Dicroglossidae).

Masafumi Matsui, Kanto Nishikawa, Koshiro Eto, Amir Hamidy, Yazid Hossman, Ibuki Fukuyama

Zootaxa 2021 Feb 10

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We found a uniquely colored dicroglossid frog of the genus Occidozyga from western Sarawak, East Malaysia. It is divergent from other congeners in morphology and mtDNA sequences. In a molecular phylogeny, this species is the sister lineage to the continental species O. lima and O. martensii with weak support. The species is small with SVL 16-18 mm in males and 18-19 mm in females, without dorsolateral fold but with transverse wrinkles on dorsum, tips of fingers lacking disks but of toes with disks, only first and second toes webbed to disks, and orange-brown dorsum with dark brown band. We thus describe it as a new species.

Citation

Masafumi Matsui, Kanto Nishikawa, Koshiro Eto, Amir Hamidy, Yazid Hossman, Ibuki Fukuyama. A new Occidozyga from Sarawak, Malaysian Borneo (Anura: Dicroglossidae). Zootaxa. 2021 Feb 10;4926(4):zootaxa.4926.4.4