Nemapteryx armiger (De Vis, 1884)
Threadfin catfish
Nemapteryx armiger
photo by FAO

Family:  Ariidae (Sea catfishes), subfamily: Ariinae
Max. size:  39.5 cm SL (male/unsexed)
Environment:  benthopelagic; brackish; marine
Distribution:  Western Pacific: northern Australia and southern New Guinea.
Diagnosis:  Dorsal spines (total): 1-1; Anal soft rays: 22-25. Body coppery, golden brown, bronze or greyish pink. Dorsomedian head groove deep and elliptical posteriorly. Long barbels with maxillary pair 30 - 56% of SL; bases of chin barbels well separated and staggered. Gill rakers largely absent from hind aspect of the first 2 gill arches. Dorsal fin spine with a short filament at all ages (Ref. 38478).
Biology:  Inhabits coastal waters and estuaries, river deltas and rivers within tidal influence. Feeds mainly on prawns and other crustaceans, fish, aquatic insects, plant material, and fish scales taken opportunistically (Ref. 38478).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  traumatogenic


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