Lampanyctus alatus
No common name
NS
G5
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Myctophiformes (Lanternfishes)
Myctophidae (Lanternfishes)
Lampanyctus
Lampanyctus alatus
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 and compressed, with a large mouth; anal fin base continuous with Prc and in contact with lateral line; supracaudal and infracaudal luminous glands consist of two to four and four or five luminous scalelike structures respectively; snout acute; jaws extend more than eye diameter beyond posterior margin of orbit; maxilla slightly expanded posteriorly; posterior margin of operculum concave dorsally and convex with serrations ventrally; gill rakers number 13 to 15; dorsal fin originates posterior to pelvic fin base and has 11 to 13 rays; pectoral fin extends nearly to end of anal fin base and has 11 to 13 rays; anal fin originates at about end of dorsal fin base and has 16 to 18 rays; Vn small; one photophore on cheek; PVO2 above and anterior to POVY; PLO 0.5 to 1.5 times its diameter below lateral line; five PO present, with PO4 elevated to level of PVO2; VLO about its diameter below lateral line; four VO present, with VO2 slightly elevated; SAO form obtuse angle, with SAO1 slightly anterior to or over VO2 and higher than SAO3; SAO3 behind anal fin origin and immediately below lateral line; two Pol in straight line with last AOa, and Pol2 less than its diameter below lateral line; AOa number five to seven, and AOp number six to eight and are behind anal fin base
Distribution
Cape Cod to northern Brazil, including the Gulf of Mexico and the Caribbean Sea
Very abundant in the Gulf of Mexico
Habitat Associations
Tropical to warm temperate waters of the Atlantic, western Pacific, and Indian Oceans; daytime depths range from 275 to 1,000 m, and nighttime depths range from 40 to 300 m
Biology
Maximum known size is 60 mm SL
Sexual maturity is reached at about 36 mm SL for females; fecundity ranges from 400 to 900 eggs and increases with body size; the smallest mature females spawn about every four days, and the largest spawn every other day; spawning takes place at night between 25 and 50 m
Oceanic (Ref. 4066), found between 275-1,000 m during the day; between 40-275 m at night with maximum abundance between 50-100 m (Ref. 4479). Mesopelagic (Ref. 5951).
IUCN Red List Status: Least Concern (LC), assessed 2012-07-10. Resilience: High (Preliminary K or Fecundity.).
Phylogeny and Morphologically Similar Fishes
Distinguished from other species of the family by the combination of characters described
References
Nafpaktitis et al. 1977
Hulley 1984b
Hulley 1986b
Gartner et al. 1987
Gartner 1991
Gartner 1993
Palomares, M.L.D. and D. Pauly (1989) A multiple regression model for predicting the food consumption of marine fish populations. Aust. J. Mar. Freshwat. Res. 40(3):259-273.
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.
Weitkamp, D.E. and R.D. Sullivan (2003) Gas bubble disease in resident fish of the lower Clark Fork River. Trans. Am. Fish. Soc. 132(5):865-876.
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