Chiasmodon subniger
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Chiasmodontidae (Snaketooth Fishes)
Chiasmodon
Chiasmodon subniger
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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When citing, please reference the original source rather than this page.
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Characters
Single row of jaw teeth in lower jaw, with anteriormost teeth larger than remainder; snout strongly rounded; lower jaw extends beyond upper jaw; upper jaw has three canine teeth on side of symphysis; lower jaw has three canine teeth on side of symphysis; palatine teeth small and in single series; lower margin of preoperculum has weak spine; first three gill arches lack gill teeth and tooth plates; pseudobranch well developed; branchiostegal rays number 7; head length 28%–29% SL, snout length 7%–8% SL, eye diameter 5%–6% SL, interorbital width 5%–6% SL, body depth 14%–19% SL; pectoral fin has 15 rays; first dorsal fin has 10 to 12 spines, second dorsal fin has 1 spine and 26 to 29 rays; anal fin has 1 spine and 26 to 29 rays; lateral line consists of two pores per segment; vertebrae number 43 to 46; specimens up to 35 mm SL have small spinuloid scales, those larger than 35 mm SL are naked
Brownish black
Distribution
Gulf of Mexico off Louisiana, Mississippi, and Florida
Habitat Associations
Marine. pelagic-oceanic. depth range 245-4568 m.
Biology
Found in the mesopelagic to bathypelagic zones (Ref. 82429).
Max length: 3.0 cm SL.
IUCN Red List Status: Least Concern (LC), assessed 2014-07-14.
References
Garman 1899
Norman 1929
Parr 1933 (as Chiasmodon niger pluriradiatus)
McEachran and Sutton 2002
Johnson, R.K. and M.J. Keene (1990) Chiasmodontidae. p. 899-904. 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.
Melo, M.R.S. (2009) Revision of the genus Chiasmodon (Acanthomorpha: Chiasmodontidae), with description of two new species. Copeia 2009(3):583-608.
Comments On Chiasmodon subniger