Coelorinchus occa
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Gadiformes (Cod, Hakes and others)
Macrouridae (Grenadiers)
Coelorinchus
Coelorinchus occa
Description
This species account was compiled from
Composite (multiple sources) (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
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Characters
Elongate and attenuated body; pelvic fin has 7 rays with first ray slightly elongated; triangular snout; stout suborbital ridges; abdomen without naked area anterior to anus; anus and urogenital openings surrounded by narrow naked black area; snout bears elongate, pointed scute lacking lateral protuberances; jaws subterminal; premaxilla with long ascending process; snout length 44% to 47%, orbit 23% to 27%, premaxilla length 21% to 26%, chin barbel 5% to 9%, body depth at first dorsal fin origin 36% to 54% of head length; jaw teeth small and in broad bands; first gill slit restricted; 7-9 gill rakers on inner side of first arch; 6 branchiostegal rays; pectoral fin short with 17-20 rays; first dorsal fin with 9-11 rays, first ray splintlike and second smooth and spinous; second dorsal fin distinctly separated from first; scales with prominent median keel of stout, sharp spinules and 1-3 divergent keel-like lateral rows of spinules
Dusky to brownish, abdomen darker; mouth and gill cavities blackish; first dorsal fin dusky
Distribution
Western Atlantic off Bermuda, Gulf of Mexico
Gulf of Mexico
Habitat Associations
Tropical Atlantic, continental slope; depth range 600 to 1,000 m
Biology
Maximum known size over 500 mm TL
Size may exceed 50 cm TL. Feeds primarily on small fish (myctophids), polychaete worms and crustaceans (pagurids, crabs, shrimps, ostracods, and copepods (Ref. 6187).
IUCN Red List Status: Least Concern (LC), assessed 2009-02-04. Resilience: Low (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
Distinguished from other family members by combination of characters
Commercial or Environmental Importance
Fisheries: subsistence fisheries.
References
Parr 1946a
Marshall and Iwamoto 1973
Uyeno et al. 1983
Cohen et al. 1990
Boschung 1992
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.
Geistdoerfer, P. (1990) Macrouridae. p. 541-563. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2.
Comments On Coelorinchus occa