What animals leave in water?

* Fish: Fish are the most obvious animals that live in water. They have gills that allow them to breathe underwater, and they use their fins to swim. There are many different types of fish, from tiny minnows to massive whales.

* Amphibians: Amphibians are animals that can live both in water and on land. They have lungs, but they also have gills when they are young. Amphibians include frogs, toads, salamanders, and newts.

* Reptiles: Some reptiles, such as turtles and crocodiles, live in water. They have lungs, but they can also hold their breath for long periods of time.

* Mammals: A few mammals, such as dolphins, whales, and seals, live in water. They have lungs, but they can also hold their breath for long periods of time.

* Invertebrates: Invertebrates are animals that do not have a backbone. Many invertebrates live in water, including jellyfish, worms, and crabs.