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why do fish have tails

+1 vote
asked Mar 19, 2014 in Fish Breeds by anonymous

1 Answer

0 votes
A fish's "tail" is actually a fin. It's called the caudal fin. Different fish species have different shaped caudal fins which can identify them.  The movement of the caudal fin helps propel the fish through the water giving it a powerful foward thrust and allowing it to move swiftly.
answered Mar 26, 2014 by (36,420 points)

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