South American Sea Lionオタリア

Otaria flavescensLC— Least Concern

The South American sea lion is a large eared seal found along the coasts of South America, from northern Peru to southern Brazil. Males are markedly larger than females and grow a thick mane, giving the species one of the most pronounced cases of sexual dimorphism among sea lions. It feeds mainly on fish and cephalopods, occasionally taking penguins, and the IUCN lists it as Least Concern with a stable population of roughly 265,000.

South American Sea Lion (reference photo)
Photo: Vincent Desjardins / CC BY 2.0 / Source / cropped

Species Data

Classification
Carnivora / Otariidae Source
Size
Males about 3 m / females about 2 m
Weight
Males about 350 kg / females about 150 kg
Diet
Carnivore Feeds mainly on fish such as Argentine hake and anchovies and on cephalopods, and sometimes preys on birds such as penguins and pelicans
Distribution
The South American sea lion ranges along South American coasts from northern Peru around Cape Horn to southern Brazil, with major colonies at Peninsula Valdes (Argentina), Lobos Island (Uruguay), and the Falkland Islands. Source

Did You Know?

  • Among eared seals, the South American sea lion shows especially pronounced sexual dimorphism, with males developing a thick mane around the neck and shoulders. Source
  • In addition to the typical territorial harem system, some Peruvian populations exhibit lek-like breeding behavior, in which males gather in a shared display area to attract females. Source
  • The ancient Moche people of Peru depicted the South American sea lion in their pottery and textile art. Source

Where to See This Species

Operating facilities registered on this site: Japan 9

Sunshine AquariumTokyoFrom Ikebukuro Station (Exit 35), walk along Sunshine 60 Street.

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Miyajima Public AquariumHiroshimaOpened in 2011

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Kushiroshi DoubutsuenHokkaidoAbout 55 minutes from JR Kushiro Station by Akan Bus, or about 27 minutes (18 km) by car, taxi, or rental car.

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Kumamotoshi DoushokubutsuenKumamotoTake the tram bound for Kengun and get off at the Doshokubutsuen-Iriguchi stop, then walk 10 minutes.

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Otaru AquariumHokkaidoOpened in 1958

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Kinosaki Marine WorldHyogoAbout 10 minutes by Zentan Bus from JR Kinosaki-Onsen Station; get off at the Hiyoriyama (Marine World) bus stop.

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ENOSHIMA AQUARIUMKanagawaOpened in 2004

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SENDAI UMINO-MORI AQUARIUMMiyagiOpened in 2015

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Himeji Shiritsu DoubutsuenHyogoOpened in 1951

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Former facilities

Keikyuuaburatsubomarin ParkKanagawaOpened in 1968

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Closed: 2021-09-30 Official Site

Temporarily closed facilities

Shinyashima SuizokukanKagawaOpened in 1969

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Temporarily closed Official Site

Latest news

2

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Conservation Story

Conservation Status

Least Concern (LC)

Sources

ja.wikipedia.org

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FAQ

Where do South American sea lions live?
They inhabit coastal waters and rocky shores all along the South American coastline, from northern Peru on the Pacific side, around Cape Horn, to southern Brazil on the Atlantic side. Source
What do South American sea lions eat?
They primarily eat fish such as Argentine hake and anchovies along with squid and octopus, and are also known to occasionally prey on penguins and other seabirds. Source
Are South American sea lions endangered?
No, the IUCN classifies the species as Least Concern, with an estimated stable population of around 265,000 individuals. Source
How many operating facilities are registered here?
Operating facilities registered on this site: Japan 9 Source

Books & gear

Source: ja.wikipedia.org