Pacific viperfish (Chauliodus macouni) fish species and information / pictures of Pacific viperfish - Chauliodus macouni

Pacific viperfish (Chauliodus macouni) fish species information

Scientific Name
Chauliodus macouni

Common Name
Pacific viperfish

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 (Ref. 6885). No true gill rakers (Ref. 6885). Dark brown to black in color (Ref. 6885). Branchiostegal rays: 16-21 (Ref. 35898).

Classification

Classified By

Bean, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Navarin Canyon in the Bering Sea to Japan. Eastern Pacific: Gulf of Alaska to central Baja California (Ref. 35898) and the Gulf of California.

Range

66°N - 23°N, 127°E - 106°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

25 m

Depth To - meters

4390 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 25 - 4390 m (Ref. 5610)

Trophic Level

4.09 s.e. 0.60 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

25.4 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries:

Vulnerability

Low to moderate vulnerability (32 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.35; tmax=8)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated