Animal Age

How old does a Steller sea lion get? (age expectancy)

What is the maximal age a Steller sea lion reaches?

An adult Steller sea lion (Eumetopias jubatus) usually gets as old as 30 years.

Steller sea lions are around 342 days in the womb of their mother. When born, they weight 18.28 kg (40.29 lbs) and measure 10 cm (0′ 4″). As a member of the Otariidae family (genus: Eumetopias), their offspring is 1 babies per pregnancy. Fully grown, they reach a bodylength of 2.7 meter (8′ 11″).

As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.

A Steller sea lion gets as old as 30 years

The Steller sea lion (Eumetopias jubatus), also known as the Steller’s sea lion and “northern sea lion”, is a near-threatened species of sea lion in the northern Pacific. It is the sole member of the genus Eumetopias and the largest of the eared seals (Otariidae). Among pinnipeds, it is inferior in size only to the walrus and the two species of elephant seals. The species is named for the naturalist Georg Wilhelm Steller, who first described them in 1741. The Steller sea lion has attracted considerable attention in recent decades, owing to significant and largely unexplained declines in their numbers over an extensive portion of their northern range in Alaska.

Animals of the same family as a Steller sea lion

Not really brothers and sisters, but from the same biological family (Otariidae):

Animals that reach the same age as Steller sea lion

With an average age of 30 years, Steller sea lion are in good companionship of the following animals:

Animals with the same number of babies Steller sea lion

The same number of babies at once (1) are born by:

Weighting as much as Steller sea lion

A fully grown Steller sea lion reaches around 383.23 kg (844.88 lbs). So do these animals:

Animals as big as a Steller sea lion

Those animals grow as big as a Steller sea lion: