Japanese sea lion

Uncovering the mystery of the vanished sea lion: a legend of the waves that once roamed Japan’s shores, now lost to the tides of time


A creature of mystery and legend that roamed the waters around Japan until it disappeared without a trace in the early 20th century. Known for its distinctive appearance, the Japanese sea lion was characterized by its sleek, dark fur and short, curved snout. It was also a remarkable swimmer, with a torpedo-like body and powerful flippers that allowed it to dart easily through the waves.

Despite its enigmatic nature, we do know a few facts about the Japanese sea lion. For instance, it was a solitary creature that spent much of its time in shallow waters close to shore. It also had a taste for fish and was known to compete with local fishermen for their catch. Sadly, due to overfishing and hunting, the Japanese sea lion was driven to extinction and now serves as a reminder of the delicate balance between human activity and the natural world.


Population est.
Official estimate
Extinct 1970s
Official estimate
Extinct 1970s
North Korea
Official estimate
Extinct 1970s
Official estimate
Extinct 1970s

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd / Colony

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No