Annotated checklist of freshwater fishes from Brunei Darussalam, Borneo Author Sulaiman, Zohrah Author Hui, Tan Heok Author Lim, Kelvin Kok Peng text Zootaxa 2018 2018-02-13 4379 1 journal volume 30759 10.11646/zootaxa.4379.1.2 4fde1748-1d18-48e7-abb5-77949f6ead6e 1175-5326 1172314 6EFED512-6EC0-49E2-9017-2F2D4F4B401D Clarias aff. batrachus (Linnaeus, 1758) Clarias batrachus (Linnaeus, 1758) : Sulaiman & Shahdan, 2003: 60 (Tasek Merimbun); Sulaiman & Shahdan, 2007: 18 (Tasek Merimbun). Remarks. Clarias batrachus is presently restricted to Java , and population identified as Clarias batrachus from Borneo and the Malay Peninsula is not regarded as conspecific (Ng & Kottelat, 2008: 726). Clarias aff. batrachus in Brunei is identified by its sole-shaped frontal fontanelle and less triangular supraoccipital process (Lee & Sulaiman, 2015: 183).