Dicrolene kanazawai
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Ophidiiformes (Pearlfishes and others)
Ophidiidae (Cusk-Eels)
Dicrolene
Dicrolene kanazawai
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
Relatively slender, moderately compressed, and tapering posteriorly, with a stout and slightly curved opercular spine. Snout is moderately blunt, slightly swollen, and slightly overhangs lower jaw. Mouth is moderately long and almost horizontal. Eye is large. Villiform teeth occur in jaws, vomer, and palatine. First gill arch has 5 rudiments on epibranch and 11 gill rakers plus 6 rudiments on lower limb. Preoperculum has four small spines along posterior margin. Opercular spine extends considerably beyond opercular membrane. Head length 18.9% to 20.9%, snout length is 4.9% to 5.9%, predorsal length is 22.2% to 24.8%, preanal length is 35% to 38.8%, body depth is 13% to 16.9%, and pelvic fin length is about 7.2% of SL. Pectoral fin is large and consists of 23 to 26 attached upper rays and 5 to 8 free lower rays. Dorsal fin originates posterior to pectoral fin base and has 105 to 108 rays. Pelvic fin is located under preoperculum and consists of 2 filamentous rays. Anal fin has 82 to 89 rays, and caudal fin has 6 or 7 rays. Body and head are covered with small scales.
Color is brown, with faint reddish tinge dorsally, and head and belly are black. Pectoral fin is largely black, and other fins are gray.
Distribution
Western Atlantic from the Gulf of Mexico and the Caribbean Sea
Gulf of Mexico
Habitat Associations
Depth range between 2,070 and 2,367 m
Biology
Maximum known size is 254 mm SL
Common species (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205).
Reproductive mode: dioecism; fertilization: external; nonguarders (open water/substratum egg scatterers); parental care: none.
IUCN Red List Status: Least Concern (LC), assessed 2018-10-11. Resilience: High (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: of no interest.
References
Grey 1958
Anderson et al. 1985
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Eschmeyer, W.N. (ed.) (1999) Catalog of fishes. Updated database version of November 1999. Catalog databases as made available to FishBase in November 1999.
Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins (1999) Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO.
Mincarone, M.M., J.G. Nielsen and P.A.S. Costa (2008) Deep-sea ophidiiform fishes collected on the Brazilian continental slope, between 11° and 23°S. Zootaxa 1770:41-64.
Comments On Dicrolene kanazawai