Trachonurus sulcatus
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)
Trachonurus
Trachonurus sulcatus
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
Slender, elongate, and attenuated, with a relatively small head, short jaws, and a very long tail. Pelvic fin has 7 rays. Snout is rounded and relatively compressed. Jaws are short and extend to about anterior margin of orbits. Head is about 15% of TL. Snout length is 23% to 29%, orbit is 25% to 32%, pre-maxilla length is 28% to 36%, chin barbel is 9% to 19%, and body depth at first dorsal fin origin is 74% to 82% of head length. Jaws have narrow band of relatively small, pointed teeth. Gill rakers are tuberculate and number 5 or 6 on first arch. Branchiostegal rays number 7. Pectoral fin is short and has 15 to 17 rays. First dorsal fin has 9 to 11 rays, first of which is splintlike and second, smooth and spinous. Second dorsal fin is widely separated from first and has shorter rays. Anus and urogenital openings are surrounded by broad naked black area (periproct) that extends anteriorly to insertion of pelvic fin. Scales have few upright spinules.
Color is brown to black.
Distribution
Southeastern United States
Gulf of Mexico
Habitat Associations
Warm temperate to tropical Atlantic Ocean, at 700 to 1,500 m
Biology
Maximum known size is 455 mm TL
Close to T. villosus.
IUCN Red List Status: Least Concern (LC), assessed 2018-10-09. Resilience: Low (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
Distinguished from other species of the family by the combination of characters described
Commercial or Environmental Importance
Fisheries: minor commercial.
References
Parr 1946a
Marshall 1973
Geistdoerfer 1986 (as T. villosus)
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.
Comments On Trachonurus sulcatus