Blackchin blacksmelt (Bathylagoides nigrigenys)

Scientific name: Bathylagoides nigrigenys Parr, 1931

Blackchin blacksmelt (Bathylagoides nigrigenys)

The Blackchin blacksmelt (Bathylagoides nigrigenys) is a marine fish of the family Bathylagidae. Native range: Pacific and Indian. Eastern Pacific, California Current region.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 10-14; Anal spines: 0; Anal soft rays: 14 - 18; Vertebrae: 41 - 46. Deep body, relatively slender toward the end of caudal peduncle; maximum body depth slightly anterior to origin of dorsal fin in specimens 6 - 10.45 cm SL and at the level of the pectoral fin base in smaller specimens. Pectoral fins short, far from reaching origin of dorsal fin. Radial grooves present in the hind part of operculum. Few gill rakers at the inner surface of epibranchial of the first gill arch. Branchiostegal rays: 2.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Bathylagoides nigrigenys
Family
Bathylagidae (Deep-sea smelts)
Order
Osmeriformes (Smelts)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.3
Depth range
100–1500 m (328–4921 ft)
Environment
Marine; bathypelagic; depth range 100 - 1500 m, usually 200 - 300 m
Climate
Deep-water
Distribution
Pacific and Indian. Eastern Pacific: California Current region.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
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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