E-Fauna BC: Electronic Atlas of the Wildlife of British Columbia

Coryphaenoides acrolepis (Bean, 1884)
Pacific Grenadier; Roughscale Grenadier
Family: Macrouridae
Photo of species

© Aaron Baldwin  Email the photographer   (Photo ID #69819)

Source: Distribution of Coryphaenoides acrolepis as compiled by Aquamaps
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Species Information

Dorsal spines (total): 2; Dorsal soft rays (total): 122; Anal spines: 0; Anal soft rays: 94. Head large, scaled completely except for a narrow ventrolateral strip on snout; eyes also large; snout short, pointed and with tubercular scales along its leading edge; chin with a small chin barbel. Body tapering to a point posteriorly from behind the insertion of the first dorsal-fin spine. Scales adherent, with 3 to 5 divergent rows of coarse spinules. Pyloric caeca 12 to 14. Overall color is gray to grayish-brown in young, turning to dark brown in adults; fins generally dark. Branchiostegal rays: 6-6 (Ref. 36385).

Source: FishBase. Cohen, D.M., T. Inada, T. Iwamoto and N Scialabba. 1990 . (Ref. 1371)


Species Biology

A benthopelagic mid-slope species, that appears to wander off slope bottoms into midwater (Ref. 1371). Adults feed on small fish, euphausiids, prawns, amphipods and cephalopods (Ref. 1371). Oviparous, with planktonic larvae (Ref. 36385). bathydemersal; non-migratory; marine; depth range 300 - 3700 m (Ref. 50550), usually 900 - 1300 m (Ref. 56476). Deep water.

Source: FishBase. Cohen, D.M., T. Inada, T. Iwamoto and N Scialabba. 1990 . (Ref. 1371)



North Pacific: northern Japan to Okhotsk and Bering seas, south along North American coasts to northern Mexico.

Source: FishBase. Cohen, D.M., T. Inada, T. Iwamoto and N Scialabba. 1990 . (Ref. 1371)

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
NativeSNRNo StatusNot Listed
BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Additional Range and Status Information Links

Additional Photo Sources

General References

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2021. E-Fauna BC: Electronic Atlas of the Fauna of British Columbia [efauna.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-28 7:48:02 AM]
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