Silurichthys phaiosoma (Bleeker, 1851)
photo by Roberts, T.R.

 Family:  Siluridae (Sheatfishes)
 Max. size:  15 cm SL (male/unsexed)
 Environment:  demersal; pH range: 4 - 5
 Distribution:  Asia: known only from northwestern Borneo (Ref. 32835). Reported from the Mekong basin (Ref. 12693).
 Diagnosis:  Dorsal soft rays (total): 4-4; Anal soft rays: 49-56; Vertebrae: 49-52. A relatively long forked caudal fin with upper lobe 1.4-1.6 times longer than lower lobe and a more convex snout when viewed laterally (Ref. 32835).
 Biology:  Found in very acidic (pH 4-5), tannin-stained blackwater habitats associated with peat swamps (Ref. 32835). Occurs in lowland stream and peat. Nocturnal; feeding on aquatic insect and smaller fishes (Ref. 57235). Feeds mainly on insect larvae. Probably non-migratory. Not seen in markets (Ref. 12693).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Casal, Christine Marie V. - 16.05.96
 Modified by: OrtaƱez, Auda Kareen - 16.08.06
 Checked by: Torres, Armi G. - 23.02.00

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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