Coryphaenoides acrolepis (Bean, 1884)
Pacific grenadier
photo by Orlov, A.

Family:  Macrouridae (Grenadiers or rattails), subfamily: Macrourinae
Max. size:  104 cm TL (male/unsexed); max.weight: 3,000.0 g; max. reported age: 73 years
Environment:  bathydemersal; depth range 300 - 3700 m, non-migratory
Distribution:  North Pacific: northern Japan to Okhotsk and Bering seas, south along North American coasts to northern Mexico.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 122; Anal spines: 0-0; 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).
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).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Luna, Susan M. - 19.10.93
Modified by: Orlov, Alexei - 23.03.06
Checked by: Iwamoto, Tomio - 27.10.95

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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