Sixfinger threadfin (Polydactylus sexfilis)

Scientific name: Polydactylus sexfilis Valenciennes, 1831

Sixfinger threadfin (Polydactylus sexfilis)

The Sixfinger threadfin (Polydactylus sexfilis) is a freshwater fish of the family Polynemidae.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 11. Body uniformly golden silver; occasionally with several faint dark stripes along longitudinal scale rows above and below lateral line. Pectoral filaments 6 with tip of uppermost filament reaching to or slightly beyond level of posterior tip of upper part of pectoral fin.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Polydactylus sexfilis
Family
Polynemidae (Threadfins)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
61.0
Depth range
1–50 m (3–164 ft)
Environment
Marine; freshwater; brackish; reef-associated; depth range 1 - 50 m, usually 20 - 50 m
Climate
Tropical
Distribution
Indo-Pacific: mainly around oceanic islands. Known from Mauritius, Seychelles, Kenya and many islands of the northern Indian Ocean; then from Indonesia north to the Ryukyu, Ogasawara and Yaeyama islands and east to the Hawaiian Islands, French Polynesia and Pitcairn. Has not been collected in Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial; aquaculture: experimental; gamefish: yes; aquarium: commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

More other freshwater fish

See all other freshwater fish

Sources

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

Last updated