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Animal Size

Eurasian otter size: How big do they get?

How big does a Eurasian otter get? Here is an overview over the average adult age:

A grown Eurasian otter (Lutra lutra) reaches an average size of 68.9 cm (2′ 4″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 22 years, they grow from 285 grams (0.63 lbs) to 8.86 kg (19.54 lbs). Talking about reproduction, Eurasian otters have 2 babies about 1 times per year. The Eurasian otter (genus: Lutra) is a member of the family Mustelidae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The average adult size of a Eurasian otter is  (2' 4

The Eurasian otter (Lutra lutra), also known as the European otter, Eurasian river otter, common otter, and Old World otter, is a semiaquatic mammal native to Eurasia. The most widely distributed member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae), it is found in the waterways and coasts of Europe, many parts of Asia, and parts of northern Africa. The Eurasian otter has a diet mainly of fish, and is strongly territorial. It is endangered in some parts of its range, but is recovering in others.

Animals of the same family as a Eurasian otter

We found other animals of the Mustelidae family:

Animals with the same size as a Eurasian otter

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Eurasian otter:

Animals with the same litter size as a Eurasian otter

Here is a list of animals that have the same number of babies per litter (2) as a Eurasian otter:

Animals with the same life expectancy as a Eurasian otter

Completely different animals, but becoming as old as a Eurasian otter:

Animals with the same weight as a Eurasian otter

As a comparison, here are some other animals that weight as much as the Lutra lutra: