An American cottoid fish, Hemitripterus americanus, allied to the sculpins. / Any fish in the family Hemitripteridae. / The cormorant.

The oceans of the earth at a time early in its history. The term generally implies either the time before or during the development of multi-cellular life forms (i.e., during the Precambrian), or alternatively before the development of the first land-based life forms (i.e. during the early Paleozoic).

A sea to the northwest of Russia.

Alternative spelling of seabed

A part of ocean partially enclosed by land such as islands, archipelagos, or peninsulas.

A fish of the species Salmo trutta morpha trutta, closely related to salmon and a subspecies of brown trout. It is lighter in colour than the brown trout, and lives in salt water, returning to fresh water only to spawn.

The elephant seal

An arm of the North Atlantic Ocean between Greenland and Labrador.

plural of sea star

A starfish (class Asteroidea).