Black eelpout (Lycodes diapterus)

Scientific name: Lycodes diapterus Gilbert, 1892

Black eelpout (Lycodes diapterus)

The Black eelpout (Lycodes diapterus) is a marine fish of the family Zoarcidae.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 109-118; Anal spines: 0; Anal soft rays: 99 - 109; Vertebrae: 118 - 126. This species is distinguished by the following: with scales covering the nape and the entire postorbital dorsal surface of the head (in adults 15.0 cm SL and larger): it differs from L. beringi in having higher counts of dorsal-fin ray (usually 111 or more), anal-fin ray (usually 100 or more), vertebral (usually 119 or more), and gill raker (usually 15 or more); differs from L. hubbsi in having 19-21 pectoral-fin rays (vs. 20-23), position of the first dorsal-fin pterygiophore at the sixth or seventh interneural gap (vs. third), and color pattern, for it lacks narrow light bands extending onto dorsal fin and across nape; differs from the 'L. nakamurae group?? (nakamurae, pectoralis, nishimurai) in having 4 postorbital pores (vs. 1 or 2), the posteriormost without a short tube; lower pectoral-fin lobe rounded, the tips of the rays rounded and th

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Lycodes diapterus
Family
Zoarcidae (Eelpouts)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
33.0
Depth range
146–844 m (479–2769 ft)
Environment
Marine; bathydemersal; depth range 146 - 844 m, usually 300 - 600 m
Climate
Deep-water
Distribution
North Pacific: Southern California west of the Channel Islands north along the North American coast to the Pacific side of Vancouver Island; apparently not present in the Strait of Georgia or Puget Sound, and has been reported as far south as San Diego.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: subsistence fisheries
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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