Brown leaf catfish (Silurichthys ligneolus) is a ray-finned fish of the family Siluridae. It inhabits freshwater waters. This species can reach a maximum total length of 5.5 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Vulnerable on the IUCN Red List.
Dorsal soft rays (total): 2; Anal soft rays: 44 - 45; Vertebrae: 46 - 48. This species is distinguished from congeners in having the following set of characters: depth at anus 9.1-11.0% SL; caudal peduncle depth 4.7-5.5% SL; eye diameter 6.7-9.8% HL; pelvic fins present; anal-fin rays 44-45; principal rays on the lower caudal-fin lobe 3-4, lower lobe of caudal fin indistinct; vertebrae 46-48; one gill raker on the first branchial arch; body uniformly brown. Based on the morphology of its caudal fin, this species is hypothesized to be the sister taxon of S. sanguineus.: elongated.
Behavioural data for Brown leaf catfish is currently being reviewed.
Diet information for Brown leaf catfish is currently being compiled.
Reproduction data for Brown leaf catfish is currently being compiled.
Freshwater; benthopelagic. Tropical
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