Sisor Rheophilus (Sisor rheophilus), first described by Ng, 2003 is a medium-sized fish in the family Sisoridae (order Siluriformes). Adults typically reach 15.50 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): 1; Dorsal soft rays (total): 6; Anal soft rays: 6; Vertebrae: 31 - 34. Differs from other members of the genus in possessing a narrower nuchal plate (width equal to length vs. width 1.2-1.3 times length); larger eye (13.2-16.3% HL vs. 6.9-12.2) and a longer snout (56.2-60.3% HL vs. 53.9-55.9) , except for Sisor torosus. Can be distinguished further from Sisor rabdophorus and Sisor chennuah in having a narrower head (14.5-14.8% SL vs. 15.1-17.7) .: elongated.
Behavioural data for Sisor Rheophilus is currently being reviewed.
Freshwater; demersal. Tropical
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