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Aquatic animals (aquatic animal),are creatures live in the water.Most of them can’t live without water as the first level of aquatic animals.But they also include the second level aquatic animals,which evolved from some terrestrial animals,such as whales and aquatic insects.
The most common aquatic animals is fish (fish),coelenterate,such as sea anemone,jellyfish,coral; Mollusc,such as squid,octopus; Crustaceans,such as shrimp and crab,and other animals,such as dolphin (mammals),the tortoise (reptiles) and other organisms.
1年前
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