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Photo: Jason Luke
Occidozyga baluensis
Range
North-western Borneo (Sarawak, Brunei and Kalimantan); possibly Lampung, Sumatra
The seep frog, or Balu oriental frog, is a frog in the family Dicroglossidae, probably endemic to Borneo. It is found in north-western Borneo (Sarawak, Brunei and Kalimantan) and was also recorded once in Lampung, Sumatra, although that record is questionable. Its name refers to its type locality, Mount Kinabalu (Wikipedia, general species account).