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Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Bagridae (Bagrid catfishes)
Etymology: Hemibagrus: Greek, hemi = the half + Mozarabic, bagre, Greek, pagros = a fish, Dentex sp. (Ref. 45335); semotus: From the Latin adjective 'semotus', meaning pushed aside, in reference to the relatively large distance between the dorsal and adipose fins.

Environment / Climate / Range Ecology

Freshwater; demersal. Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Padas River drainage and the shorter coastal rivers draining the western face of the Crocker Range in northern Borneo, Sabah, Malaysia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 19.9 cm SL male/unsexed; (Ref. 93057)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 12 - 13; Vertebrae: 43 - 44. Differs from Hemibagrus baramensis in having a greater dorsal to adipose distance (8.2-10.2% SL vs. 4.7-8.6), an anal fi n with a straight distal margin, imparting a more rhomboidal appearance (vs. with a convex distal margin, imparting a more rounded appearance) and the upper lobe of the caudal fin regularly tapering (vs. rounded posteriorly); from H. sabanus in having a smaller adipose fin located further away from the dorsal fin (length of adipose-fin base 19.3-3.5% SL vs. 8.9-34.3; dorsal to adipose distance 8.2-10.6% SL vs. 1.2-4.4), a deeper caudal peduncle (depth 9.6-11.3% SL vs. 7.2-9.4), and a shorter outer mandibular barbel (81.9-120.1% HL vs. 127.5-162.1) (Ref. 93057).

Inhabits slow-flowing streams with turbid water and a substrate of mud and gravel at elevation. Feeds mainly on arthropods (Ref. 93057).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Ng, H.H. and M. Kottelat, 2013. Revision of the asian catfish genus Hemibragus Bleeker, 1862 (Teleostei: Siluriformes: Bagridae). Raffles Bull. Zool. 61(1):205-291. (Ref. 93057)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

Hemibagrus semotus Ng & Kottelat, 2013