Long pectoral fin flounder (Engyprosopon longipterum)

Scientific name: Engyprosopon longipterum Amaoka, Mihara & Rivaton, 1993

The Long pectoral fin flounder (Engyprosopon longipterum) is a marine fish of the family Bothidae. Native range: Western Central Pacific, Chesterfield and Bellona Plateaus and Fairway Ridge, Coral Sea.

Biology

Pelvic fin on eyed short (3.1 to 3.2 times in head length in both sexes) and with some black spots. Pectoral-fin length on eyed side about twice as long as head in males, subequal to or more than head length in females. Interorbital region uniformly coloured (Ref 42535).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Engyprosopon longipterum
Family: Bothidae (Lefteye flounders)
Order: Pleuronectiformes (Flatfishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 8.6
Depth range: 67–88 m (220–289 ft)
Environment: Marine; demersal; depth range 67 - 88 m
Climate: Tropical
Distribution: Western Central Pacific: Chesterfield and Bellona Plateaus and Fairway Ridge, Coral Sea.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
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 27 September 2026