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Why do fish have tail fins?

Updated: 10/6/2023
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Wiki User

11y ago

Best Answer

To swim..? If you mean the fin on top of their bodies then it helps stabilize them.

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13y ago
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11y ago

They have tail fins to propel themselves in water. It can also aid in steering the fish in one direction.

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12y ago

no it is clinicly proven

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Q: Why do fish have tail fins?
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