Wiktionary
otterlike
a. Resembling or characteristic of an otter (animal).
Usage examples of "otterlike".
Gold and silver lightning shot through them, going around and around, bouncing from facet to flaw and on again, gamboling otterlike in the stones.
Watching him go, Mike Wellsbauer had to admit that in motion he made a pretty sight, scooting along on his hind legs, his sleek black-haired otterlike body leaning into the wind of his passage, and his wide, rather paddle-shaped tail extended behind him to balance the weight of his erected body.