what is adquatic animals
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the animals which survive or live in water=aquatic animals...
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- An aquatic animal is an animal, either vertebrate or invertebrate, which lives in the water for most or all of its lifetime. ...
- Aquatic animals may breathe air or extract oxygen that dissolved in water through specialised organs called gills, or directly through the skin.
- There are various groups of aquatic animals including fish, mammals (whales), mollusks (sea snails), cnidarians (jellyfish), and crustaceans (crabs).
- They either live in fresh water or salt water and can be either vertebrates or invertebrates.
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