4.3 Article

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

Journal

ZOOTAXA
Volume 4926, Issue 4, Pages 535-546

Publisher

MAGNOLIA PRESS
DOI: 10.11646/zootaxa.4926.4.4

Keywords

Limnonectes rhacodus; mandible cusp; mtDNA phylogeny; taxonomy

Categories

Funding

  1. Economic Planning Unit of the Prime Minister's Department
  2. Monbusho International Scientific Research Program (Field Research) [01041051, 02041051, 03041044, 04041068]
  3. Monbusho through the Japanese Society for the Promotion of Science (JSPS) [20405013, 23405014]
  4. Japan Society for the Promotion of Science (JSPS)
  5. Science and Technology Research Partnership for Sustainable Development program (SATREPS) by the Japan Science and Technology Agency (JST)
  6. Japan International Cooperation Agency (JICA)

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A new species of Occidozyga frog with unique coloration and morphology was discovered in western Sarawak, East Malaysia. This species shows divergence in mtDNA sequences from other congeners and is described as a new species.
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.

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