Oreoglanis Sudarai (Oreoglanis sudarai), first described by Vidthayanon, Saenjundaeng & Ng, 2009 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 11.30 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.
Dorsal spines (total): 0; Dorsal soft rays (total): 6 - 7; Anal soft rays: 5 - 6; Vertebrae: 39 - 40. Belongs to the Oreoglanis siamensis species group as it possesses a distinct median notch on the posterior margin of the lower lip. Can be distinguished from other members of the genus in having a combination of the following characters: long nasal barbel reaching to anterior orbital margin, maxillary barbel with pointed tip, tip of pectoral fin not reaching pelvic-fin origin, caudal peduncle length 16.7-22.6 % SL, eye diameter 9.8-14.3 % HL, and an emarginate caudal fin . : elongated.
Behavioural data for Oreoglanis Sudarai is currently being reviewed.
Freshwater; demersal. Tropical
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