Polydactylus plebeius (Broussonet, 1782)
Striped threadfin
Kuwa-kuwa,  Boka dulse,  Buka dulce,  Buka-dulce,  Kugaw,  Kulampiros,  Mamale,  Tigi
Polydactylus plebeius
photo by Hermosa, Jr., G.V.

Family:  Polynemidae (Threadfins)
Max. size:  45 cm SL (male/unsexed); max.weight: 1,650.0 g
Environment:  demersal; depth range - 122 m
Distribution:  Indo-Pacific: East Africa to French Polynesia, north to Japan, south to Australia. Has not been collected from the Red Sea or Persian Gulf (Ref. 57343).
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 13-13; Anal spines: 2-2; Anal soft rays: 11-12. Golden, dusky olive brown above, scale rows each with a dark line; fins dusky (Ref. 5492). Body with 7 or 8 prominent dark stripes along the longitudinal scale rows above lateral line and 7-9 faint stripes below. Pectoral fin rays unbranched; 4th or 5th pectoral filament longest, 22-40% of SL. Posterior margin of maxilla reaching to (or slightly extending beyond) level of posterior margin of adipose eyelid. Lower tip of 7th proximal pterygiophore of 1st dorsal fin directed backwards. Lateral squamation on caudal fin unbranched (Ref. 40970).
Biology:  Occur over muddy bottoms of the continental shelf (Ref. 4340), from estuaries to coastal beaches and to relatively deep waters (less than 122 m) (Ref. 57343). Forms loosely-associated schools (Ref. 57343). Feeds on small crustaceans, fishes and other benthic organisms (Ref. 30573). Fish of 12 cm can be caught in large numbers (Ref. 9685).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:  Also Ref. 9685, 39886.

Entered by: Sa-a, Pascualita - 21.04.93
Modified by: Garilao, Cristina V. - 30.08.06
Checked by: Sa-a, Pascualita - 03.07.94

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