Phoca vitulina, Harbour seal : fisheries

Phoca vitulina   Linnaeus, 1758

Harbour seal

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Phoca vitulina  AquaMaps  Data sources: GBIF OBIS
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Image of Phoca vitulina (Harbour seal)
Phoca vitulina

رده بندی / Names اسامي عام | مترادف | CoL | ITIS | WoRMS

Mammalia | Carnivora | Phocidae

Environment: milieu / climate zone / تغييرات عمق / distribution range بوم شناسي

موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند.  Temperate; 90°N - 0°S, 180°W - 180°E

Distribution كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | معرفي

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 / سن

بلوغ: Lm ?  range ? - ? cm Max length : 190 cm TL جنس نر / بدون خواص جنسي; (مرجع 1394); 170 cm TL (female); بيشينه وزن گزارش شده: 150.0 kg (مرجع 1394); بيشينه وزن گزارش شده: 150.0 kg

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

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).

Life cycle and mating behavior بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae

مآخذ اصلی مراجع | هماهنگ كننده | همكاران

Jefferson, T.A., S. Leatherwood and M.A. Webber 1993 FAO species Identification Guide: Marine Mammals of the World. Rome, FAO. 320 p. + 587 figures. (مرجع 1394)

وضعيت در فهرست قرمز IUCN (مرجع 130435: Version 2025-1)

  حداقل نگرانی (LC) ; Date assessed: 04 January 2016

وضعيت از نظر سايتس (مرجع 108899)

Not Evaluated

CMS (مرجع 116361)


خطر برای انسان ها

استفاده انسانی

ماهي گيري – شيلات: تجاري
FAO - ماهي گيري – شيلات: landings, نمايه گونه | FishSource | Sea Around Us

ابزارها

اطلاعات بيشتر

بوم شناسي
Population dynamics
رشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
Life cycle
تولید مثل
بلوغ
Fecundity
تخم ریزی
Eggs
نمو تخم
Larvae
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Taxonomy
مراجع

منابع اينترنتي

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(ماهي گيري – شيلات: نمايه گونه; publication : search) | Fishipedia | GenBank (ژنوم, نوکلئوتيد) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (برو, جستجو) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 3.4 - 11.2, mean 8.7 (based on 1375 cells).
جهندگی (Ref. 69278): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.09-0.4).
Fishing Vulnerability (مرجع 71543): High to very high vulnerability (74 of 100).
طبقه قيمت (مرجع 80766): Unknown.