Acreichthys tomentosus (Linnaeus, 1758)
Bristle-tail file-fish
Kakaniten,  Pakol,  Pagnesan,  Pakol,  Panitan,  Sagoksok,  Sagugsok,  Sulay bagyo
Acreichthys tomentosus
photo by Muséum-Aquarium de Nancy/B. Alenda

Family:  Monacanthidae (Filefishes)
Max. size:  14 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 2 - 15 m, non-migratory
Distribution:  Indo-West Pacific: Sri Lanka eastward thorough Indonesia to New Caledonia, north to southern Japan.
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: Least Concern (LC); Date assessed: 02 March 2015 Ref. (130435)
Threat to humans:  harmless
Country info:  Reported from Calatagan (Ref. 107853) and Leyte Gulf (Ref. 68980). Although found in fish markets (Ref. 5399), flesh of Monacanthidae is generally thin, hard, with a bitter taste, and may cause ciguatera and death if much is eaten (Ref. 12745). Also Ref. 48613, 80989.


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