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Beause it's what is natural to them. They evolved that way. Why do some animals only live on high mountains, or only in the desert? It's all evolution baby

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15y ago

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Do all tropical fish live in fresh water?

Most tropical fish live in the ocean, but some do live in freshwater.


What types of animals live in the ocean?

fish and aquatic mammals


What are some of the most common salt water fish?

There are many types of saltwater fish. Coastal fish live in the ocean near the shore. Deep sea fish live deep in the ocean below where the sunlight reaches. Pelagic fish live near the surface of the ocean. Demersal fish live near the bottom of a salt lake or sea. Coral reef fish live in or near coral reefs.


Were does a fish live?

some fish live in salt water some in fresh water it all depends on the kind of fish they could live in the ocean or in the lake or in the stream or in the pond or you could have one as a pet.


Ocean life in the transition zone?

Yes. Some fish do live in the ocean's transition zone. Lanterneye fish, hatchetfish, and viperfish are examples.


Why do star fish live in the ocean?

because starfish is suppose to live underwater to get some air


What kinds of species live with a dolphin?

In their ocean habitat, Dolphins live among the species: Fish (Their food), Some tropical fish, krill...


How deeply a fish swims in the ocean?

Depends entirely on the type of fish. Some live their lives at a particular depth. Some use the ocean like an elevator - you might find them at 20 feet or 600 feet. Some are deep ocean oriented, and live in the eternal darkness of the deep.


What are some medium sized fish that live in the ocean?

trout,cod, some bass, sunfish


What oceans and seas do fish live in?

clown fish only live in the: Pacific ocean, Atlantic ocean and Indian ocean.Clown fish do not live in seas!Clown fish live in 3 out of 5 oceansand 0 out of over 1,000,000,000,000 seas.


How do most of the fish in the ocean reproduce?

Most fish lay eggs, but some give birth to live young.


Do sturgeon live in the ocean?

No. Sturgeon is a freshwater fish. Sturgeon is also one of the longest living fish, as some sturgeon live to be 100 or older.