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Coryphaenoides acrolepis  (Bean, 1884)

Pacific grenadier
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| Native range | All suitable habitat | PointMap | Year 2100 |
This map was computer-generated and has not yet been reviewed.
Coryphaenoides acrolepis   AquaMaps   Data sources: GBIF OBIS
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Image of Coryphaenoides acrolepis (Pacific grenadier)
Coryphaenoides acrolepis
Picture by Orlov, A.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Gadiformes (Cods) > Macrouridae (Grenadiers or rattails) > Macrourinae
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335);  acrolepis: From the Greek 'acros' meaning sharp and 'lepis' meaning scale (Ref. 6885).

Environment / Climate / Range Ecology

Marine; bathydemersal; non-migratory; depth range 300 - 3700 m (Ref. 50550), usually 900 - 1300 m (Ref. 56476).   Deep-water; 1°C - 4°C (Ref. 1371); 62°N - 28°N, 134°E - 115°W (Ref. 1371)

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 46 - 65 cm
Max length : 104 cm TL male/unsexed; (Ref. 56527); common length : 46.9 cm TL male/unsexed; (Ref. 56476); max. published weight: 3.0 kg (Ref. 56476); max. reported age: 73 years (Ref. 35883)

Short description Morphology | Morphometrics

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).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Biology     Glossary (e.g. epibenthic)

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).

Main reference Upload your references | References | Coordinator : Iwamoto, Tomio | Collaborators

Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00251 (0.00126 - 0.00499), b=3.17 (2.99 - 3.35), based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.8   ±0.54 se; Based on food items.
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years (K=0.02-0.04; tmax=73).
Vulnerability (Ref. 59153):  Very high vulnerability (79 of 100) .
Price category (Ref. 80766):   Medium.