Bassozetus robustus
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Ophidiiformes (Pearlfishes and others)
Ophidiidae (Cusk-Eels)
Bassozetus
Bassozetus robustus
Description
This species account was compiled from
FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.)
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Characters
Body shape: elongated. Snout inflated; eyes much smaller than snout; opercular spine weak or absent; preopercle without spines and posteriorly expanded almost reaching posterior margin of opercle; pseudobranchial filaments 2 (Ref. 34024).
Distribution
Circumglobal: In tropical to temperate waters.
Habitat Associations
Marine. bathydemersal. depth range 1035-4420 m.
Biology
Benthopelagic at bathyal depth (Ref. 56809). Found on the continental slope (Ref. 75154). Common species (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205). Of the 36 female specimens caught, 3 with 0.5-1.0 mm eggs. No identifiable stomach contents were found (Ref. 84269).
Max length: 64.0 cm SL.
Reproductive mode: dioecism; fertilization: external; nonguarders (open water/substratum egg scatterers); parental care: none.
IUCN Red List Status: Least Concern (LC), assessed 2009-02-04. Resilience: Medium (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: of no interest.
References
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Nielsen, J.G. and D.M. Cohen (1986) Ophidiidae. p. 345-350. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
Nielsen, J.G. (1997) Deepwater ophidiiform fishes from off New Caledonia with six new species. No. 4. In B. Séret (ed.) Résultats des Campagnes MUSORSTOM, v. 17. Mem. Mus. Natl. Hist. Nat. (MMNHN) 174:51-82.
Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins (1999) Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO.
Mincarone, M.M., J.G. Nielsen and P.A.S. Costa (2008) Deep-sea ophidiiform fishes collected on the Brazilian continental slope, between 11° and 23°S. Zootaxa 1770:41-64.
Nielsen, J.G. and N.R. Merrett (2000) Revision of the cosmopolitan deep-sea genus Bassozetus (Pisces: Ophidiidae) with two new species. Galathea Report 18:7-56.
Comments On Bassozetus robustus