Longsnout blacksmelt (Dolicholagus longirostris)

Scientific name: Dolicholagus longirostris Maul, 1948

Longsnout blacksmelt (Dolicholagus longirostris)

The Longsnout blacksmelt (Dolicholagus longirostris) is a marine fish of the family Bathylagidae.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 9-11; Anal spines: 0; Anal soft rays: 18 - 21; Vertebrae: 48 - 53. Head and body silver when fresh; no scale pocket markings; lateral line indistinct. Slender body. Jaws rounded and subequal at the tips. Body strongly elongated with almost equal depth. Caudal peduncle short and relatively narrow. Pectorals short, far from reaching origin of dorsal fin. Radial pattern noticeable at the hind lower part of operculum. Few gill rakers on the inner surface of epibranchial of first gill arch.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Dolicholagus longirostris
Family
Bathylagidae (Deep-sea smelts)
Order
Osmeriformes (Smelts)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
17.5
Depth range
200–945 m (656–3100 ft)
Environment
Marine; bathypelagic; depth range 200 - 945 m, usually 200 - 400 m
Climate
Deep-water
Distribution
Widely distributed in tropical and subtropical seas. Eastern Atlantic: south of Portugal to Madeira. Western Atlantic: Gulf of Mexico. Northwest Atlantic: Canada. Northwest Pacific: Japan. Southwest Pacific: New Zealand. Eastern Pacific: California Current region.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Low, minimum population doubling time 4.5 - 14 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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