Arctocephalus townsendi, Guadalupe fur seal : fisheries

Arctocephalus townsendi   Merriam, 1897

Guadalupe fur seal

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

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

Mammalia | Carnivora | Otariidae

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

موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند.  Subtropical; 45°N - 13°N, 140°W - 180°E

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

Eastern Central Pacific: USA and Mexico.

Length at first maturity / Size / Weight / سن

بلوغ: Lm ?  range ? - ? cm Max length : 190 cm TL جنس نر / بدون خواص جنسي; (مرجع 1394); 140 cm TL (female); بيشينه وزن گزارش شده: 170.0 kg (مرجع 1394); بيشينه وزن گزارش شده: 170.0 kg

توصيف مختصر ريخت شناسي

Dusky black with lighter ventrum. Gray head and shoulders, black nose with brown-red hair around the eyes. Guard hairs are white-tipped in adult males. Claws present in 5 fingers and absent on the 1st and 5th toes. Cartilaginous webbing extends past the claws. Females have 2 pairs abdominal nipples.

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats. Found at sea, on beaches; when ashore, they prefer volcanic caves and grottos, or other rocky habitats. Both male and female territorial. Extralimital sightings in California corresponds with El Niño events (Ref. 1394).

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

Breeds near or in caves marked by the male as his territory. Mating occurs postpartum. Pups nurse for 9 to 11 months during which nursing females fast for an average of 5 days.

مآخذ اصلی مراجع | هماهنگ كننده | همكاران

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

وضعيت در فهرست قرمز IUCN (مرجع 130435: Version 2024-2)

  حداقل نگرانی (LC) ; Date assessed: 10 October 2014

وضعيت از نظر سايتس (مرجع 108899)


CMS (مرجع 116361)

Not Evaluated

خطر برای انسان ها

استفاده انسانی

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

ابزارها

اطلاعات بيشتر

Trophic Ecology
Food items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
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.
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): 2.1 - 4, mean 3.1 (based on 48 cells).
Fishing Vulnerability (مرجع 71543): Very high vulnerability (90 of 100).
طبقه قيمت (مرجع 80766): Unknown.