Acreichthys tomentosus (Linnaeus, 1758)
Bristle-tail file-fish
Acreichthys tomentosus
photo by Randall, J.E.

 Family:  Monacanthidae (Filefishes)
 Max. size:  12 cm TL (male/unsexed)
 Environment:  reef-associated; depth range 2 - 15 m, non-migratory
 Distribution:  Indo-West Pacific: East Africa to Fiji, north to the Ryukyu Islands, south to New South Wales (Australia). Recently recorded from Tonga (Ref. 53797).
 Diagnosis:  Dorsal soft rays (total): 27-30; Anal spines: 0-0; Anal soft rays: 26-29. Description: Characterized by having irregular green to brown blotching covering head and body; diffuse whitish bands through eye, on middle of body and back; concave dorsal profile of head; rudiment pelvic fin and robust first dorsal fin spine, with relatively large prominent barbs; first dorsal fin with short skin flaps; scattered skin flaps on body; rounded caudal fin; caudal peduncle depth almost equal to caudal peduncle length; side of caudal peduncle of male with well-defined, oblong patch of bristles (Ref. 90102).
 Biology:  Adults inhabit reef, weed, and rubble areas on shallow coral reefs (Ref. 43248, 48637), commonly found in seagrasses (Ref. 58881). Solitary (Ref. 90102). Major food items include amphipods, polychaetes and molluscs (Ref. 58881). Oviparous (Ref. 205).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 16.04.93
 Modified by: Valdestamon, Roxanne Rei - 06.05.13
 Checked by: Casal, Christine Marie V. - 23.06.05

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