Dec 21, 2025two otter species are strictly marine: Dec 12, 2025an otter refers to a semiaquatic carnivorous mammal of the subfamily lutrinae under mustelidae, a family that also includes weasels, badgers, minks, stoats, wolverines, and others. There are 14 species of otter around the world and many of them are endangered.
Use the links below to explore the different species and find out more about otters in other parts of the world. There are 13 species of otter on the planet today, the largest species being the giant otter and the smallest being the asian small clawed otter. To give a comparison, the giant otter can reach up to.
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