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Animal Size

Marine otter size: How big do they get?

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

A grown Marine otter (Lontra felina) reaches an average size of 67.8 cm (2′ 3″).

When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 11.2 kg (24.69 lbs). A Marine otter has 2 babies at once. The Marine otter (genus: Lontra) 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 Marine otter is (2' 3

The marine otter (Lontra felina) is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). The scientific name means “otter cat”, and in Spanish, the marine otter is also often referred to as gato marino: “marine cat”. The marine otter (while spending much of its time out of the water) only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic sea otter (Enhydra lutris) of the north Pacific.

Animals of the same family as a Marine otter

We found other animals of the Mustelidae family:

Animals with the same size as a Marine otter

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

Animals with the same litter size as a Marine otter

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

Animals with the same weight as a Marine otter

As a comparison, here are some other animals that weight as much as the Lontra felina: