noun a marine mammal of the order Cetacea, which includes whales, dolphins, and porpoises
noun a marine mammal typically found in oceans and known for its intelligence and playful behavior
noun a free-swimming marine coelenterate with a jellylike bell- or saucer-shaped body that is typically transparent and has stinging tentacles around the edge
noun a small toothed whale with a blunt snout and a triangular dorsal fin
noun a type of fish in the family Pomacentridae, commonly known as sergeants or humbug fish