Persian blackspot threadfin (Polydactylus persicus)

Scientific name: Polydactylus persicus Motomura & Iwatsuki, 2001

Persian blackspot threadfin (Polydactylus persicus)

The Persian blackspot threadfin (Polydactylus persicus) is a marine fish of the family Polynemidae. Native range: Western Indian Ocean, Persian Gulf.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 12-13; Anal spines: 3; Anal soft rays: 12; Vertebrae: 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Polydactylus persicus
Family
Polynemidae (Threadfins)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
16.0
Depth range
10 m (33 ft)
Environment
Marine; demersal; depth range ? - 10 m
Climate
Tropical
Distribution
Western Indian Ocean: Persian Gulf.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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