Translation of "Otters" in Japanese

Although wild smooth-coated otters are active during the day,

‎野生のビロードカワウソは ‎昼行性だが‎―

Sea otters love to eat clams while swimming on their backs.

ラッコは背泳ぎをしながら蛤を食べるのが大好きです。

A group of smooth-coated otters right in the center of Singapore.

‎シンガポールの中心に住む ‎ビロードカワウソの群れだ