Hyalobagrus ornatus (Duncker, 1904)
Hyalobagrus ornatus
photo by R A Hill ARPS

Family:  Bagridae (Bagrid catfishes)
Max. size:  3 cm SL (male/unsexed)
Environment:  demersal; freshwater; pH range: 6.59999990463257 - 7.19999980926514; dH range: 18
Distribution:  Asia: Muar drainage in southern Malay Peninsula, Malaysia (Ref. 33074) and Kapuas basin in western Borneo, Indonesia (Ref. 2091).
Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 6-6; Anal soft rays: 21-22; Vertebrae: 37-38. Presence of serrae on distal three quarters of anterior edge of pectoral spine; body depth at anus 19.2-19.4% SL; black margin of dorsal fin present; eye diameter 19.7-22.7% HL; and length of adipose-fin base 15.6-15.7% SL.
Biology:  Inhabits peat and streams (Ref. 84801). Occasionally seen in aquarium trades (Ref. 57235).
IUCN Red List Status: Critically Endangered (CR); Date assessed: 01 September 2018 (B2ab(iii)) Ref. (124695)
Threat to humans:  harmless
Country info:  Known from Kapuas basin, Sintang, western Borneo (Ref. 2091). Found in southern Borneo (Ref. 7050).

Entered by: Casal, Christine Marie V. - 16.05.96
Modified by: Casal, Christine Marie V. - 09.08.10

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