Japan country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Reported as Phoca vitulina stejnegeri in the Pacific coast of Hokkaido (Ref. 1522). C: Refs. 1522, 1394, 3732, M: Ref. 1394.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Rice, D.W., 1998
National Database:

Common names from other countries

Harbor seal, ... more

Classification / Names / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

Mammalia > Carnivora (Carnivores) > Phocidae ()

Environment: milieu / climate zone / depth range / distribution range Ecology

Bathydemersal. Temperate; 90°N - 0°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Atlantic Ocean, Pacific Ocean, the Arctic and North America Inland Waters: Portugal, Iceland, Greenland, Canada Newfoundland, Spain, France, Belgium, Ireland, Netherlands, Germany, Denmark, Norway, Sweden Lithuania, Poland, Latvia, Estonia, Finland, Russia, UK, USA, Canada, Mexico, Alaska, Japan, Kamchatka (Ref. 1394), Br Scotland, Madeira, British Columbia, Kuril Island, Sea of Okhotsk, Gulf of California, Baltic Sea, Barents Sea, Hudson Bay (Ref. 1522); Phoca vitulina vitulina: Portugal, UK, Iceland, Greenland, Br Scotland, Norway, Madeira, Baltic Sea, Barents Sea; Phoca vitulina concolor: Canada, Hudson Bay, USA, Greenland, Iceland; Phoca vitulina richardii: Mexico, Alaska, British Columbia, USA, Gulf of California; Phoca vitulina stejnegeri: Japan, Kamchatka, Alaska, Sea of Okhotsk, Kuril Island; Phoca vitulina mellonae: Hudson Bay, James Bay. Temperate to polar regions.

Length at first maturity / Size / Weight / Age

Maturity: L_m ? range ? - ? cm Max length : 190 cm TL male/unsexed; (Ref. 1394); 170 cm TL (female); max. published weight: 150.0 kg (Ref. 1394); max. published weight: 150.0 kg

Found in coastal waters of the continental shelf and slope (Ref. 1394); and whelp in groups on beaches, sandbars, and rocky reefs (Ref. 1522). Feeds on a wide variety of fish, cephalopods, and crustaceans of surface, mid-water and benthic habitats (Ref. 1394). It is preyed upon by the great white shark (Ref. 32140). Found in coastal waters of the continental shelf and slope (Ref. 1394); and whelp in groups on beaches, sandbars, and rocky reefs (Ref. 1522). Also for resting, moulting and lactation during low tides. Typically perform U-shaped dives. Leave the coast on foraging trips to deeper offshore waters where prey is abundant (Ref. 96347). Feeds on a wide variety of fish, cephalopods, and crustaceans of surface, mid-water and benthic habitats (Ref. 1394).

Main reference References | Coordinator | Collaborators

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

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 04 January 2016

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Human uses

Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us

Tools

E-book | Field guide

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance

References
Mass conversion

Collaborators
Pictures

Internet sources

Estimates based on models

Preferred temperature (Ref. 115969): 3.4 - 11.2, mean 8.7 (based on 1375 cells).

Resilience (Ref. 69278) Medium, minimum population doubling time 1.4 - 4.4 years (K=0.09-0.4).

Vulnerability (Ref. 71543): High vulnerability (60 of 100).

Price category (Ref. 80766): Unknown.

Phoca vitulina Linnaeus, 1758