Ceratoscopelus warmingii
No common name
NS
G5
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Myctophiformes (Lanternfishes)
Myctophidae (Lanternfishes)
Ceratoscopelus
Ceratoscopelus warmingii
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
Moderately slender and compressed body; moderately large mouth; dorsal and anal fin bases of about equal length; snout slightly blunt; jaws extend about one-half eye diameter beyond posterior margin of orbit; maxilla slightly expanded posteriorly; posterodorsal margin of operculum concave, posterior margin convex; 13 to 15 gill rakers; dorsal fin originates over pelvic fin base with 13 to 15 rays; pectoral fin extends to AOa or AOa2 with 13 to 15 rays; anal fin originates on or slightly anterior to end of dorsal fin base with 13 to 15 rays; Vn between nasal rosette and anterior margin of orbit; PVO2 above and slightly posterior to PVO1; PLO in contact with or just below lateral line; 5 PO with PO5 displaced dorsolaterally; VLO about midway between lateral line and pelvic fin base; 5 VO with VO2, VO3, and VO5 elevated above others; SAO form nearly straight line; AOa number 5 to 7 with AOa1 depressed; AOp number 4 to 6 behind anal fin base; 4 Prc with first three in curved line and close together, Prc at level of lateral line
Supracaudal and infracaudal organs present and consist of 2-4 and 5-7 scalelike structures respectively; numerous luminous scalelike structures and patches of luminous tissue on body, including series of scalelike structures from between pelvic fin bases to anus
Distribution
Cape Cod to northern Argentina, including the Gulf of Mexico and the Caribbean Sea
Abundant in the Gulf of Mexico
Habitat Associations
Tropical to subtropical waters; daytime depths range from 425 to 1,100 m, nighttime depths mainly range from near the surface to 200 m
Biology
Maximum known size is 55 mm SL for males and 70 mm SL for females; life span is approximately one year
Females mature in six months at about 55 mm SL; fecundity ranges from 3,300 to 13,000 eggs and increases with body size; spawning occurs about every seven days for about three months
Oceanic species found between 700 and 1,500 m during the day; between 20 and 200 m at night (Ref. 4775) with maximum abundance between 50 and 100 m (Ref. 47377). Size stratification with depth both day and night (Ref. 4775). Small juveniles (1.5-1.9 cm) are apparently non-migratory. Known to feed on zooplankton but appears to be adapted for occasional herbivory (Ref. 28809).
IUCN Red List Status: Least Concern (LC), assessed 2012-07-10. Resilience: High (Preliminary K or Fecundity.).
References
Nafpaktitis et al. 1977
Uyeno et al. 1983
Hulley 1984b
Hulley 1986b
Gartner et al. 1987
Gartner 1993
Hulley, P.A. (1986) Myctophidae. p. 282-321. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
Hulley, P.A. (1990) Myctophidae. p. 398-467. 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. 1.
Uyeno, T., K. Matsuura and E. Fujii (eds.) (1983) Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 519 p.
Shinohara, G., H. Endo and K. Matsuura (1996) Deep-water fishes collected from the Pacific Coast of Northern Honshu, Japan. Mem. Natn. Sci. Mus., Tokyo (29):153-185.
Robison, B.H. (1984) Herbivory by the myctophid fish Ceratoscopelus warmingii. Mar. Biol. 84:119-123.
Wang, L., Y. Li, R. Zhang, Y. Tian and L. Lin (2018) Length-weight relationships of five lanternfishes (Myctophidae) from the high seas of Northwestern Pacific Ocean. J. Appl. Ichthyol. 34:1340-1342. DOI: 10.1111/jai.13783
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