Chauliodus macouni Bean, 1890

Pacific viperfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Stomiiformes \| Stomiidae \| Chauliodontinae
Synonyms	... more
Common names	Fanged viperfish, Viperfish, Víbora del Pacífico, ... more

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Image of Chauliodus macouni (Pacific viperfish)

Picture by Canadian Museum of Nature, Ottawa, Canada

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Eschmeyer, W.N., E.S. Herald and H. Hammann. 1983. (Ref. 2850)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 25.4 cm SL male/unsexed; (Ref. 58109); max. published weight: 23.4 g (Ref. 4525); max. reported age: 8 years (Ref. 28499)

Environment

Bathypelagic; marine; depth range 25 - 4390 m (Ref. 5610)

Climate / Range

Deep-water; 66°N - 23°N, 127°E - 106°W

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.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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).

Migrate upward at night (Ref. 28499). Feed on small planktonic crustaceans, arrow worms and fish (Ref. 28499). Has photophores on belly arranged in a row (Ref. 2850). Oviparous, with planktonic eggs and larvae (Ref. 35898). Also caught with bottom trawls.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries:


More information
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

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


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (32 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Orlov, Alexei

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Page last modified by : elaxamana, 15 July 2009

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