Nezumia aequalis
No common name
NS
GNR
Collection Details
Specimens
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Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Gadiformes (Cod, Hakes and others)
Macrouridae (Grenadiers)
Nezumia
Nezumia aequalis
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; pointed snout; terminal scutelike scale on snout; jaws moderately short, subterminal; head 15% to 18% of TL; snout length 26% to 34%; orbit 28% to 39%; premaxilla length 28% to 36%; chin barbel 10% to 17%; body depth at first dorsal fin origin 67% to 102% of head length; broad band of small teeth on jaws; first gill slit greatly restricted; 9 to 12 tuberculate gill rakers on first arch; 7 branchiostegal rays; pectoral fin with 15 to 23 rays; first dorsal fin with 11 to 15 rays, first ray splintlike and second serrated and spinous; second dorsal fin widely separated from first; pelvic fin with 7 to 9 rays; abdomen with small naked black area between pelvic fin bases; anus and urogenital openings surrounded by naked black area; scales covered with broad, flat spinules; head covered with scales except along ventral snout and gular and branchiostegal membranes; row of stout, scutelike scales from angle of snout to preoperculum; swim bladder with two retia mirabilia
Bluish to violet; distal part of first dorsal fin black; inner part of pelvic fin black; pectoral fin dusky; anal fin dusky
Distribution
Western Atlantic from Davis Strait to northern Brazil, including Gulf of Mexico and Caribbean Sea
Habitat Associations
Temperate to tropical Atlantic Ocean at 200 to 1,000 m
Biology
Polychaetes, mysids, and amphipods
300 mm TL
Feeds on benthic as well as pelagic animals like mysids, amphipods, small shrimps, copepods, isopods, ostracods and polychaete worms (Ref. 6187).
IUCN Red List Status: Least Concern (LC), assessed 2013-05-21. Resilience: Low (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: minor commercial.
References
Parr 1946a
Marshall and Iwamoto 1973
Uyeno et al. 1983
Geistdoerfer 1986
Cohen et al. 1990
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.
Geistdoerfer, P. (1986) Macrouridae. p. 644-676. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 2.
Macpherson, E. (1979) Relations trophiques des poissons dans la Méditerranée occidentale. Rapp. Comm. Int. Explor. Sci. Mer Méditerr. 25/26, 49-58.
Comments On Nezumia aequalis