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Why do fish open their mouth?

Updated: 10/25/2022
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13y ago

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Most fish will open and close their mouths mostly because they are sucking up mico algaes they do this as well by picking up gravel sucking off the the algae and spitting them back out.

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13y ago
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Q: Why do fish open their mouth?
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How wide do fish can open their mouth?

They open it very wide.


Does a fish open its mouth less or more in cold water?

the fish opens its mouth less as the water gets colder.


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No , nostrils are absent in fish , fish inhale water by open mouth .


Could a fish survive if it could not open its mouth?

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Well, some fish open and close their mouth while swimming.


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6


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What happens if a fish doesn't open its mouth?

it dies or farts 3 times a day or 1000000


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70 - 120 times


What is the singular possessive noun for the mouth of the fish?

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