marine mammals

Seals and dolphins

Marine mammals are warm-blooded animals that live primarily in the ocean: whales, dolphins, seals, sea lions, walruses, manatees, sea otters, and polar bears.

Unlike fish, they breathe air, nurse their young, and maintain body temperature.

The term appears in conservation contexts and wildlife biology: Marine mammals are protected under federal law.

Opposites
habitat

marine mammalsdesert mammals

Warm dryland animal life

burrowing mammals · landlubbers

taxonomic/biological category

marine mammalsfish

Gilled aquatic vertebrate

marine fish · saltwater fish · sharks · bony fish · rays

water type habitat

marine mammalsriver dolphins

Freshwater cetaceans in streams

beavers · muskrats · platypus

Family

marine, mammal, marina, submarine, maritime, mammals, mariner, mammalian, marine mammal

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G