Coryphaenoides rudis
No common name
Collection Details
Specimens
Photos
There are no photos available for this taxon yet.
Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Gadiformes (Cod, Hakes and others)
Macrouridae (Grenadiers)
Coryphaenoides
Coryphaenoides rudis
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; blunt, slightly depressed head; serrated second ray of first dorsal fin; snout slightly acute in young, rounded in adults; jaws subterminal, moderately long; head about 20% of TL; snout length 23-29% of head length; premaxilla with outer series of enlarged teeth and inner band of small teeth; dentaries with narrow band of small teeth; first gill slit restricted; 10 tuberculate gill rakers on first arch; pectoral fin with 19-20 rays; first dorsal fin with 12-13 rays; pelvic fin with 9-11 rays; abdomen without naked area or light organ; scales densely covered with small spinules
Brown to light brown, with tips of fins and branchiostegal rays dark brownish to black
Distribution
Gulf of Mexico
Gulf of Mexico
Habitat Associations
Tropical North Atlantic, Caribbean Sea; 600-3508 m depth
Biology
Squids
Maximum known size is 1,100 mm TL
Feeds on cephalopods, at least at larger sizes.
IUCN Red List Status: Least Concern (LC), assessed 2015-02-02. Resilience: Very low (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: of potential interest.
References
Marshall and Iwamoto 1973
Anderson et al. 1985
Cohen et al. 1990
Sazonov and Iwamoto 1992
Shcherbachev and Iwamoto 1995
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.
Shcherbachev, Y.N. and T. Iwamoto (1995) Indian Ocean grenadiers of the subgenus Coryphaenoides, genus Coryphaenoides (Macrouridae, Gadiformes, Pisces). Proc. Calif. Acad. Sci. 48(14):285-314.
Pauly, D. and V. Christensen (1993) Stratified models of large marine ecosystems: a general approach, and an application to the South China Sea. p. 148-174. In K. Sherman, L.M. Alexander and B.D. Gold (eds.) Stress, Mitigation and Sustainability of Large Marine Ecosystems. AAAS Press, Washington, DC. 376 p.
Cohen, D.M., A.W. Ebeling, T. Iwamoto, S.B. McDowell, N.B. Marshall, D.E. Rosen, P. Sonoda, W.H. Weed III and L.P. Woods (1973) Fishes of the western North Atlantic. Part six. New Haven, Sears Found. Mar. Res., Yale Univ.
Comments On Coryphaenoides rudis