Pacific viperfish (Chauliodus macouni)

Scientific name: Chauliodus macouni Bean, 1890

Pacific viperfish (Chauliodus macouni)

The Pacific viperfish (Chauliodus macouni) is a marine fish of the family Stomiidae. Native range: Northwest Pacific, Navarin Canyon in the Bering Sea to Japan. Eastern Pacific: Gulf of Alaska to central Baja California and the Gulf of California.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 5-7; Anal spines: 0; Anal soft rays: 9 - 14; Vertebrae: 56 - 62. First dorsal fin ray much produced in a long filament terminating in a minute flap; adipose fin large, placed well back over posterior part of anal, higher posteriorly; pelvic fins long and narrow. No true gill rakers. Dark brown to black in color. Branchiostegal rays: 16-21.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Chauliodus macouni
Family
Stomiidae (Barbeled dragonfishes)
Order
Stomiiformes (Lightfishes and Dragonfishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.4
Depth range
25–4390 m (82–14403 ft)
Environment
Marine; bathypelagic; depth range 25 - 4390 m
Climate
Deep-water
Distribution
Northwest Pacific: Navarin Canyon in the Bering Sea to Japan. Eastern Pacific: Gulf of Alaska to central Baja California and the Gulf of California.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries:
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.35; tmax=8)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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