Is southwest river otter an amphibian?

Question

Is southwest river otter an amphibian?

Answer 1

no, its a mammal.

or at most and amphibious mammal - it lives in and around water but still breathes air.

the definition of an amphibian is a vertebrate that regulates their body temperature externally; lays shell-less eggs in wet areas; lives in water during early development and live both in water and on land as adults; and uses lungs, gills and their skin for breathing.

...so otters dont fit into the amphibian catogory

Answer 2

no.they are mammals.

Answer 3

no, it's a mammal, so are whales and dolphins.

Answer 4

no an otter is a mammal

Answer 5

every species of otter is an aquatic mammal