Question

what do fish do
what??​

Answer 1

Answer:

Fish love nibbling on plants and swimming around floating objects. Set a few small plants in your fish tank, settling them into the gravel or sand so they don't fall over. Floating rocks are a nice addition to a fish tank because they'll love swimming around them.

Explanation:

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Answer 2

Answer:

Each fish gets food especially for them – some eat plankton and fruit flies, others eat seeds and vegetables; some fish hunt for their food, others forage for it. ... Then the fish will lay eggs or give birth, and some of them then spend a lot of their time looking after their offspring.