Polydactylus persicus Motomura & Iwatsuki, 2001
Persian blackspot threadfin
photo by Motomura, H.

Family:  Polynemidae (Threadfins)
Max. size:  16 cm SL (male/unsexed)
Environment:  demersal; marine; depth range - 10 m
Distribution:  Western Indian Ocean: Persian Gulf.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 12-13; Anal spines: 3-3; Anal soft rays: 12-12; Vertebrae: 24-24. With 6 pectoral filaments; uppermost extending well beyond posterior tip of pectoral fin. Pectoral fin, rays short, 18-20% of SL; fin base short , 10-11% of SL; all rays branched except uppermost 1 or 2. Second dorsal spine long, 6-9% of SL. Well-developed swim bladder. A large black spot anteriorly on lateral line (Ref. 40958).
Biology:  Found on sandy and muddy bottoms (Ref. 57343).
IUCN Red List Status: Least Concern (LC); Date assessed: 24 February 2014 Ref. (130435)
Threat to humans:  harmless


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