Acrochordonichthys rugosus (Bleeker, 1846)
Acrochordonichthys rugosus
photo by FAO

 Family:  Akysidae (Stream catfishes), subfamily: Parakysinae
 Max. size:  11 cm SL (male/unsexed)
 Environment:  demersal; pH range: 7
 Distribution:  Asia: Thailand, Malaysia and Indonesia.
 Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 4-5; Anal soft rays: 8-10; Vertebrae: 35-37. Generally dark brown with many irregular light brown patches. Long nasal barbels 6.5-15.6%HL. Lateral margins of head, steeply sloping; convex snout when viewed dorsally. Adipose fin with angular posterior margin. Pectoral spine with serrations on the posterior edge (Ref. 37794).
 Biology:  Inhabits clear, swiftly flowing forested streams with pH of 7 and sandy or rocky bottoms. Hides under submerged logs or rocks with some leaf litter in the swifter parts of the stream. A predatory fish, ambushing balitorid loaches of Nemacheilus and sisorid catfish of the genus Glyptothorax (Ref. 37794).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Casal, Christine Marie V. - 21.05.96
 Modified by: Bailly, Nicolas - 26.10.11

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