Kingdom: Animalia > Phylum: Chordata > Class: Elasmobranchii > Order: Squaliformes > Family: Squalidae > Genus: Squalus > Species: Squalus acanthias

Blue dog - Squalus acanthias Linnaeus, 1758

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Quick facts

Threat status Europe Endangered (IUCN)
Protected by 5 international agreements
Natura 2000 species code 5858


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Threat and conservation status

IUCN Red List status of threatened species

The IUCN Red List threat status assesses the risk of extinction.

IUCN Red List Category
Not Evaluated
Near Threatened
Regionally Extinct
Not Applicable
Extinct in the Wild
Data Deficient
Least Concern
Critically Endangered

EU conservation status

The EU conservation status is assessed for species mentioned in the EU Habitats Directive annexes. The EU Habitats Directive does not cover this species.

Natura 2000 sites

Not available

Legal status

Legal text Annex Conditions More information
Convention on the Conservation of Migratory Species of Wild Animals. (Bonn Convention)
Memorandum of understanding on the conservation of migratory sharks - under Bonn Convention (Sharks MOU)
Barcelona Convention Protocol concerning Specially Protected Areas and Biological Diversity in the Mediterranean (SPA/BD Protocol)
Convention for the Protection of the Marine Environment of the North-East Atlantic ("OSPAR Convention") (OSPAR Convention)
Convention on the Protection of the Marine Environment of the Baltic Sea Area (Helsinki Convention)

Common names and synonyms

Common Name Language Reference
Aiguillat commun French Fishbase
Aiguillat tacheté French Fishbase
Akula Bulgarian Fishbase
An fiogach gobach Irish (recte Irish Gaelic) Fishbase
Blue dog English Fishbase
Câine de mare Romanian Fishbase
Chernomorska akula Bulgarian Fishbase
Common spiny fish English Fishbase
Darwen salmon English Fishbase
Doornhaai Dutch Fishbase
Dornfisch German Fishbase
Dornhai German Fishbase
Galhudo Portuguese Fishbase
Galhudo-malhado Portuguese Fishbase
Galludo Spanish Fishbase
Gemeiner Dornhai German Fishbase
Háfur Icelandic Fishbase
Katran Russian Fishbase
Kolen Polish Fishbase
Köpek baligi Turkish Fishbase
Koscenjak Serbian Fishbase
Kuceska akula Bulgarian Fishbase
Mahmuzlu camgöz Turkish Fishbase
Malhado melga Portuguese Fishbase
Mazzola Maltese Fishbase
Mazzola bix-xewka Maltese Fishbase
Mazzola griza Maltese Fishbase
Mielga Spanish Fishbase
Morsko kuce Bulgarian Fishbase
Obyknovennaya kolyuchaya akula Russian Fishbase
Pas kostelj Serbian Fishbase
Peshkagen Albanian Fishbase
Piggha Norwegian Fishbase
Pigghaj Swedish Fishbase
Pighai Norwegian Fishbase
Pighaj Danish Fishbase
Piikkihai Finnish Fishbase
Piked dogfish English Fishbase
Rechin Romanian Fishbase
Rigg English Fishbase
Rock salmon English Fishbase
Schillerlocken German Fishbase
Skyllos Greek Fishbase
Skylópsaro Greek Fishbase
Spinarolo Italian Fishbase
Spiny dogfish English Fishbase
Spring dogfish English Fishbase
Spurdog English Fishbase
Stictokentroni Greek Fishbase
Synonym Author
Squalus spinax (non Linnaeus, 1758)
Squalus fernandinus Molina, 1782
Squalus antiquorum Leach, 1818
Acanthias vulgaris Risso, 1827
Acanthias americanus Storer, 1846
Spinax mediterraneus Gistel, 1848
Spinax suckleyi Girard, 1855
Acanthias sucklii (Girard, 1855)
Acanthias linnei Malm, 1877
Acanthias lebruni Vaillant, 1888
Acanthias commun Navarette, 1898
Squalus mitsukurii (non Jordan & Fowler, 1903)
Squalus wakiyae Tanaka, 1918
Squalus barbouri Howell-Rivero, 1936
Squalus kirki Phillipps, 1931
Squalus whitleyi Phillipps, 1931
Squalus suckleyi (Girard, 1855)
Squalus sucklii (Girard, 1855)
Squalus acanthias africana Myagkov & Kondyurin, 1986
Squalus achantias Latreille, 1804
Acanthias antiguorum (Leach, 1818)
Squalus canis Forster, 1777
Squalus acanthias acanthias Linnaeus, 1758

Other resources

CoL (accepted name) Catalogue of Life
Fauna Europaea search Fauna Europaea
FishBase FishBase
GBIF Global Biodiversity Information Facility
ITIS (Valid name) Interagency Taxonomic Information System
NCBI search National Center for Biotechnology Information
PESI (Accepted) Pan-European Species directories Infrastructure
Wikipedia Wikipedia
WoRMS World Register of Marine Species

External data

No external data sets available for this species
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Phone: +45 3336 7100