Clarias batu, a new species of catfish (teleostei: clariidae) from Pulau Tioman, Peninsular Malaysia

Abstract

Ciarias batu, new species, is described from freshwater streams on Pulau Tioman off the east coast of Pahang, Peninsular Malaysia. It is distinguished from its congeners by the following suite of characters: elongated body (body depth at anus 9.0-11.4% standard length), caudal fin completely separate from the dorsal and anal fins, distance between occipital process and dorsal origin 9.9-11.8% standard length, and body in life dark greyish-brown above with about 9-14 vertical rows of relatively sparse arrangement of small, well-spaced, cream-coloured spots above the lateral line. © National University of Singapore.