What is a "cetacean"?

A cetacean is a marine mammal belonging to the order Cetacea, which includes whales, dolphins, and porpoises. These creatures are known for their streamlined bodies, fin-like limbs, and adaptations for living in water. They possess remarkable abilities such as diving to great depths, communicating through complex behaviors, and using echolocation to navigate and find food. Cetaceans play vital roles in marine ecosystems and are renowned for their elegance and allure in the world's oceans.