Diaphus subtilis
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Myctophiformes (Lanternfishes)
Myctophidae (Lanternfishes)
Diaphus
Diaphus subtilis
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; moderately large mouth; dorsal and anal fin bases of about equal length; snout very blunt; jaws extend 0.3 to 0.5 times eye diameter beyond posterior margin of orbit; maxilla not expanded posteriorly; head 31.5% to 34% of SL; operculum truncated posteriorly; gill rakers 20 to 23; dorsal fin originates over or slightly posterior to pelvic fin base with 12 or 13 rays; pectoral fin extends to PO with 10 to 12 rays; anal fin originates posterior to dorsal fin base with 13 rays; Dn round and directed anteriorly; Vn elongated and located along ventral margin of orbit; So small and located posterior to Vn; PVO1, PVO2, and PVO3 in straight line; PLO closer to pectoral fin base than to lateral line; five PO present with PO4 elevated; VLO midway between lateral line and pelvic fin base; five VO present with VO1, VO2, and VO3 progressively elevated; SAO form straight to nearly straight line with SAO3 over or slightly posterior to anal fin origin and 1 to 1.5 times its diameter below lateral line; Pol about its diameter below lateral line; AOa number five or six with first and last little if any elevated; AOp number five to seven with first behind anal fin base; four Prc form slightly curved line with Prc4 its diameter below lateral line; small luminous scale at PLO
Distribution
New Jersey to the Guianas, including the Gulf of Mexico and the Caribbean Sea
Habitat Associations
Tropical to subtropical waters of the Atlantic Ocean; daytime depths 375 to 750 m, nighttime depths 40 to 550 m
Biology
Maximum known size 85 mm SL
Maturity reached at about 70 mm SL
Oceanic and mesopelagic. Found between 375-750 m during the day; between 40-550 m at night (maximum abundance in 100 m depth). Sexually mature from about 7 cm (Ref. 4479).
IUCN Red List Status: Data Deficient (DD), assessed 2012-07-10. Resilience: High (Preliminary K or Fecundity.).
References
Nafpaktitis 1968
Nafpaktitis et al. 1977
Hulley 1984b
Hulley 1986b
Gartner et al. 1987
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.
Comments On Diaphus subtilis