A marine mammal of the order Cetacea; a whale, dolphin, or porpoise.
- Killer whales also prey on mammals such as other cetaceans and pinnipeds, as well as on birds and large fish.
- Odontocete cetaceans rely upon echolocation to sense the environment and detect prey.
- Within odontocete cetaceans, variation in body design affects stability and turning performance.
Relating to or denoting cetaceans.
- To work for closer integration of environmental concerns into fisheries management including a reduction in small cetacean casualties.
- Further studies will be needed to finally identify the role of the diaphragm in cetacean ventilation.
- No ancient DNA has yet been used for cetacean systematics.
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