+Marine mammals are a diverse group of [Mammal](/wiki/mammal) species that have evolved to live primarily in the [Ocean](/wiki/ocean) or coastal environments. They exhibit remarkable adaptations for aquatic life, from streamlined bodies to specialized respiration and thermoregulation.
+## See also
+- [Cetacean](/wiki/cetacean)
+- [Pinniped](/wiki/pinniped)
+- [Dolphin](/wiki/dolphin)
... 1 more lines