its tail
They swim
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It helps them swim.
how to swim
in the ocean
They swim about 10 to 20 mph
A dolphin can swim because it has flippers to help it trannsfer to places a whale can also swim because of their flipers same thing with the penguin =d by Cynthia borja soto.
Dolphin swim fast so they can catch there prey
yes, doplins can swim backwards for about 1 hour
how fast do blobfish swim
if bottlenosed dolphins swim together,then the shortbeaked common dolphin may swim together so try looking in the same ocean a bottlenosed dolphin lives in.
they swim