Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Chordata > Subphylum Vertebrata > Infraphylum Gnathostomata > Parvphylum Chondrichthyes > Class Elasmobranchii > Subclass Neoselachii > Infraclass Selachii > Superorder Squalomorphi > Order Squaliformes > Family Somniosidae > Genus Somniosus

Somniosus rostratus (Risso, 1827)

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Somniosus*	Lesueur, 1818	accepted genus name

Species group names

*Scymnus rostratus*	Risso, 1827	synonym

Vernaculars (+) (-)

English: little sleeper shark sources: PESI (A Pan-European Species directories Infrastructure) focal points

German: kleiner Schlafhai sources: PESI (A Pan-European Species directories Infrastructure) focal points

Greek: Λαίμαργος sources: PESI (A Pan-European Species directories Infrastructure) focal points

Hebrew: ישנן חידקני sources: PESI (A Pan-European Species directories Infrastructure) focal points

Lithuanian: ilgasnukis poliarinis ryklys sources: PESI (A Pan-European Species directories Infrastructure) focal points

Polish: lemargo sources: PESI (A Pan-European Species directories Infrastructure) focal points

Russian: длиннорылая полярная акула sources: PESI (A Pan-European Species directories Infrastructure) focal points

Spanish, Castillian: tiburón dormilón; tiburón soñoliento sources: PESI (A Pan-European Species directories Infrastructure) focal points

Ukrainian: Акула полярна носата

Literature

basis of record	van der Land, J.; Costello, M.J.; Zavodnik, D.; Santos, R.S.; Porteiro, F.M.; Bailly, N.; Eschmeyer, W.N.; Froese, R. (2001). Pisces, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 357-374
additional source	King, C.M.; Roberts, C.D.; Bell, B.D.; Fordyce, R.E.; Nicoll, R.S.; Worthy, T.H.; Paulin, C.D.; Hitchmough, R.A.; Keyes, I.W.; Baker, A.N.; Stewart, A.L.; Hiller, N.; McDowall, R.M.; Holdaway, R.N.; McPhee, R.P.; Schwarzhans, W.W.; Tennyson, A.J.D.; Rust, S.; Macadie, I. (2009). Phylum Chordata: lancelets, fishes, amphibians, reptiles, birds, mammals. in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 431-554.
additional source	Froese, R. & D. Pauly (Editors). (2025). FishBase. World Wide Web electronic publication. version (06/2024).
ecology source	Looby, A.; Erbe, C.; Bravo, S.; Cox, K.; Davies, H. L.; Di Iorio, L.; Jézéquel, Y.; Juanes, F.; Martin, C. W.; Mooney, T. A.; Radford, C.; Reynolds, L. K.; Rice, A. N.; Riera, A.; Rountree, R.; Spriel, B.; Stanley, J.; Vela, S.; Parsons, M. J. G. (2023). Global inventory of species categorized by known underwater sonifery. Scientific Data. 10(1).

Genbank

External Links

FishBase images (Somniosus rostratus, Azores Is., by Cambraia Duarte, P.M.N. (c)ImagDOP)
FishBase

Citation

Froese, R. and D. Pauly. Editors. (2025). FishBase. Somniosus rostratus (Risso, 1827). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:105920