Clarias Sulcatus (Clarias sulcatus), first described by Ng, 2004 is a medium-sized fish in the family Clariidae (order Siluriformes). Adults typically reach 20.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Critically Endangered.
Dorsal spines (total): 0; Dorsal soft rays (total): 72 - 80; Anal soft rays: 56 - 64; Vertebrae: 62 - 64. Distinguished from Southeast Asian congeners, except Clarias batrachus and C. insolitus in having a narrow frontal fontanel. Differs from C. batrachus in possessing more anal-fin rays (56-64 vs. 47-58) and a broader snout and from C. insolitus in having a wider head (17.4-18.3% SL vs. 14.0-15.6) and a smaller distance between the occipital process and the dorsal fin (7.2-7.5% SL vs. 10.3-12.4) .: elongated.
Behavioural data for Clarias Sulcatus is currently being reviewed.
Freshwater; demersal. Tropical
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