Question

Function of caudal fin in fish?
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Answer 1

Answer:

The caudal fin is the tail fin (from the Latin cauda meaning tail), located at the end of the caudal peduncle and is used for propulsion. See body-caudal fin locomotion. (A) - Heterocercal means the vertebrae extend into the upper lobe of the tail, making it longer (as in sharks).

Answer 2

Explanation:

it's function is to increases the surface area of the tail and This wil help to push forwards when the tail is pushed against the water.