What Is a Marine Mammal?

Introduction
List of marine mammals
- cetaceans (order Cetacea)
  - baleen whales (suborder Mysticeti)
  - toothed whales (suborder Odontoceti)
- otters (subfamily Lutrinae)
- pinnipeds (suborder Pinnipedia)
  - fur seals and sea lions (family Otariidae)
  - true seals (family Phocidae)
  - walrus (family Odobenidae)
- sirenians (order Sirenia)

References & Edit History Related Topics

Images

A harbor seal with dark spots rests on a rock surrounded by water in Monterey, California, with early morning fog softening the background.

What Is a Marine Mammal?: Media

Images

A harbor seal with dark spots rests on a rock surrounded by water in Monterey, California, with early morning fog softening the background.

A coastal marine mammal

A harbor seal (Phoca vitulina) basking on a harbor rock in Monterey Bay,...

© Arnie Lund/stock.adobe.com

Humpback whale

Humpback whale

An enormous humpback whale (Megaptera novaeangliae) breaching the ocean's...

© M Swiet Productions—Moment/Getty Images