Pseudomonacanthus macrurus (Bleeker, 1856)
Strap-weed file-fish

Pakol Panitan,  Sagoksok,  Sagugsok, 

Pseudomonacanthus macrurus
photo by Malaer, P.

 Family:  Monacanthidae (Filefishes)
 Max. size:  18 cm SL (male/unsexed)
 Environment:  reef-associated; depth range 1 - 10 m
 Distribution:  Indo-West Pacific: Indian Ocean, South China Sea, southern Japan. Reported from Papua New Guinea (Ref. 6771).
 Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 29-30; Anal soft rays: 27-30. Description: Characterized by having highly variable colouration due to chameleon-like ability to change pattern depending on surroundings and mood; usually yellowish to brown with head and body covered with numerous brown to blackish spots and overlying pattern of large irregular blotches that can be intensified or subdued; shorter first dorsal spine compared to snout, origin of spine above middle to posterior half of eye; depth of body at level of origin of anal fin 2.5-2.8 in SL; concave snout profile; immovable pelvic spine, barely projecting beyond large ventral flap; relatively large and rounded caudal fin (Ref. 90102).
 Biology:  Inhabits shallow coastal algal reefs and estuaries. Sometimes solitary (Ref. 90102). Adults are often in pairs (Ref. 48637).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:  The flesh is thin, hard, with a bitter taste, and may cause ciguatera poisoning and death if much is eaten.

 Entered by: Luna, Susan M. - 09.06.94
 Modified by: Valdestamon, Roxanne Rei - 07.05.13
 Checked by: Froese, Rainer - 18.04.97

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