River threadfin (Polydactylus macrophthalmus)

Scientific name: Polydactylus macrophthalmus Bleeker, 1858

River threadfin (Polydactylus macrophthalmus)

The River threadfin (Polydactylus macrophthalmus) is a freshwater fish of the family Polynemidae. Native range: Asia, Kapuas River, Kalimantan and the Musi and Batanghari rivers, Sumatra, Indonesia.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 13-14; Anal spines: 3; Anal soft rays: 11. Occipital profile concave in adults. Pectoral filaments 7 with 3 filaments extending beyond caudal fin base and the fifth extending beyond tip of caudal fin lobe. Long pectoral fin rays, 24-26% of SL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Polydactylus macrophthalmus
Family
Polynemidae (Threadfins)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
52.0
Environment
Freshwater; demersal
Climate
Tropical
Distribution
Asia: Kapuas River, Kalimantan and the Musi and Batanghari rivers, Sumatra, Indonesia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Aquarium: commercial
Resilience
High, minimum population doubling time less than 15 months (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.

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