Omosudis lowii
No common name
NS
GNR
Collection Details
Specimens
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Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Aulopiformes
Omosudidae (Hammerjaw)
Omosudis
Omosudis lowii
Description
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Characters
Body shape: elongated. Brownish above, sides silvery, iridescent, with black peritoneum showing through (Ref. 7344).
Distribution
Worldwide in tropical and temperate waters. South China Sea and East China Sea (Ref.74511)
Habitat Associations
Marine. bathypelagic. depth range 0-4000 m.
Biology
Meso- and bathypelagic at 700-1830 m (Ref. 58302). Probably swift swimmers, which can avoid nets, captured singly or in small groups (Ref. 6692). Carnivorous, feed on squids and pelagic fishes (Ref. 6692). Oviparous and are synchronous hermaphrodites (Ref. 84733).
Max length: 23.0 cm SL; common length: 20.0 cm NG.
Reproductive mode: true hermaphroditism; fertilization: external; guarders (nesters). Are synchronous hermaphrodites, gonads consist of clearly defined and well separated ovarian and testicular regions with no indication of sequential maturation of the sex products (Ref. 84733). Also Ref. 103751.
IUCN Red List Status: Least Concern (LC), assessed 2013-05-09. Resilience: Medium (Assuming tm=2-4).
Commercial or Environmental Importance
Fisheries: of no interest.
References
Post, A. (1990) Omosudidae. p. 386. 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.
Post, A. (1984) Omosudidae. p. 496-497. 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. UNESCO, Paris. Vol. 1.
Maul, G.E. (1986) Omosudidae. p. 280. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
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.
Anonymous (2001) Fish collection database of the National Museum of Natural History (Smithsonian Institution). Smithsonian Institution-Division of Fishes.
Smith, C.L. and E.H. Atz (1973) Hermaphroditism in the mesopelagic fishes Omosudis lowei and Alepisaurus ferox. Copeia 1973(1):41-44.
Comments On Omosudis lowii