Largemouth striped threadfin (Polydactylus siamensis)

Scientific name: Polydactylus siamensis Motomura, Iwatsuki & Yoshino, 2001

Largemouth striped threadfin (Polydactylus siamensis)

The Largemouth striped threadfin (Polydactylus siamensis) is a marine fish of the family Polynemidae. Native range: Eastern Indian Ocean, known only from Bangkok, Songkhla and Phuket, Thailand. Probably more widely distributed about the Malay Peninsula.

Biology

Body with 7 or 8 prominent dark stripes along the scale rows above the lateral line; 7 - 9 faint stripes below (may be lost after preservation). Five pectoral filaments, moderately long, 31-43% of SL with 5th longest. Large upper jaw (mean 17% of SL). Lateral line squamation unbranched, extending to upper end of lower caudal fin lobe. Lower tip of 7th proximal pterygiophore of 1st dorsal fin directed backward.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Polydactylus siamensis
Family
Polynemidae (Threadfins)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
27.4
Environment
Marine; demersal
Climate
Tropical
Distribution
Eastern Indian Ocean: known only from Bangkok, Songkhla and Phuket, Thailand. Probably more widely distributed about the Malay Peninsula.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
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.

Last updated