Digitate cusk eel (Dicrolene introniger)

Scientific name: Dicrolene introniger Goode & Bean, 1883

Digitate cusk eel (Dicrolene introniger)

The Digitate cusk eel (Dicrolene introniger) is a marine fish of the family Ophidiidae. Native range: Eastern Atlantic, continental slope all along West Africa. Western Atlantic: warmer parts of the area including the Gulf of Mexico.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 100-115; Anal spines: 0; Anal soft rays: 85 - 98. Snout rather blunt; eye diameter almost as long as snout; opercular spine strong and straight; hind margin of preopercle usually with 3 sharp spines; 1 median (broad) and a pair of basibranchial tooth patches; pseudobranchial filaments 2 or 3; 7-15 developed rakers on anterior arch; lower 5-11 pectoral fin rays free and longer than upper ones; precaudal vertebrae 13-16. No black fin rays; one supraorbital and 3 preopercular spines all strong.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Dicrolene introniger
Family
Ophidiidae (Cusk-eels)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
35.0
Depth range
700–1785 m (2297–5856 ft)
Environment
Marine; bathydemersal; depth range 700 - 1785 m, usually 1000 - 1600 m
Climate
Deep-water
Distribution
Eastern Atlantic: continental slope all along West Africa. Western Atlantic: warmer parts of the area including the Gulf of Mexico.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (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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