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Halichoerus grypus   (Fabricius, 1791)

grey seal
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Carnivora | Phocidae

Environment / Climate / Range

Bathydemersal.  Temperate; 90°N - 90°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northeast Atlantic and Atlantic Ocean: Iceland, Faroe Islands, Norway, United Kingdom, Ireland, Baltic Sea (Ref. 1394); Halichoerus grypus grypus: USA, Newfoundland, Gulf of St. Lawrence, Norway, Iceland, Faroe, Shetland Islands, Orkney Islands, Great Britain, Ireland, Netherlands, France, Greenland, Portugal; Halichoerus grypus macrorhynchus: Baltic Sea, from the Gulfs of Bothnia and Finland south to Denmark (Ref. 1522).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 230 cm TL male/unsexed; (Ref. 1394); 200 cm TL (female); max. published weight: 310.0 kg (Ref. 1394); max. published weight: 310.0 kg

Biology     Glossary (e.g. epibenthic)

Inhabits in coastal areas; they haul-out on isolated beaches and rocky ledges of islands. Feeds on a wide variety of fishes and invertebrates and occasionally take seabirds (Ref. 1394). Found in coastal areas; they haul-out on isolated beaches and rocky ledges of islands. Feeds on a wide variety of fishes and invertebrates and occasionally take seabirds (Ref. 1394).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
FAO(fisheries: production) | FisheriesWiki | Sea Around Us

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | National databases | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 4.5 - 11.3, mean 9 (based on 1247 cells; Ref. 115970).
Vulnerability (Ref. 71543)
High to very high vulnerability (66 of 100)
Price category (Ref. 80766)
Unknown