Cyclothone pallida
No common name
NS
GNR
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Stomiiformes
Gonostomatidae (Bristlemouths)
Cyclothone
Cyclothone pallida
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 slender body; large mouth; double row of photophores; uniserial premaxillary teeth with at least one (usually fourth) greatly enlarged; teeth on posterior section of maxilla slanted anteriorly and unequal in length; pseudobranch absent; gill filaments moderately short and not fused basally; gill rakers on first arch 22-25; branchiostegal rays 14 or 15; dorsal fin opposite anal fin; anterior rays of dorsal and anal fins slightly elongate; last dorsal and anal fin rays not split to base; dorsal adipose fin absent; anus closer to pelvic fin base than to anal fin origin; dorsal fin rays 12-14; anal fin rays 17 or 18; specific photophore counts: OP 2, BR 10 or 11, IP 3, PV 10, VAV 5, OA 8, AC 14 or 15; supracaudal and infracaudal glands weak but distinctly developed
Light to dark brown; dorsal and anal rays pigmented; meningeal pigment over brain extends anteriorly to level of posterior margin of eye or to pineal body
Distribution
Western Atlantic from about 40°N to the Gulf of Mexico and the Caribbean Sea
Gulf of Mexico
Habitat Associations
Tropical to subtropical seas; depth range 400-1,000 m
Biology
Maximum known size: 48 mm SL for males and 70 mm SL for females
Meso- to bathypelagic (Ref. 58302). Oceanic, precise depth range dependent upon developmental stage, latitude, season (Ref. 4769). Does not exhibit diel vertical migrations (Ref. 4769). Lipid content is 2.3 % in fresh body weight and wax ester is 34.0 % in total lipids (Ref. 9193).
Reproductive mode: dioecism.
IUCN Red List Status: Least Concern (LC), assessed 2013-05-16. Resilience: Medium (tm=3.5).
Commercial or Environmental Importance
Fisheries: of no interest.
References
Mukhacheva 1964
Bekker et al. 1975
Badcock 1984a
Schaefer et al. 1986b
Schaefer, S., R.K. Johnson and J. Badcock (1986) Gonostomatidae. p. 247-253. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
Badcock, J. (1984) Gonostomatidae. p. 284-301. 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. volume 1. UNESCO, Paris.
Gon, O. (1990) Gonostomatidae. p. 116-122. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p.
Mauchline, J. and J.D.M. Gordon (1983) Diets of clupeoid, stomiatoid and salmonoid fish of the Rockall Trough, northeastern Atlantic ocean. Mar. Biol. 77:67-78.
Mundy, B.C. (2005) Checklist of the fishes of the Hawaiian Archipelago. Bishop Mus. Bull. Zool. (6):1-704.
Comments On Cyclothone pallida