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How do the number and shape of fins of a bony fish differ from those of...

How do the number and shape of fins of a bony fish differ from those of a shark?

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Answer #1

Bony fins fold down when they are not in use and they have spine and flexible fins while sharks have stiff and lack fine bony spines that don't fold

Sharks have five pairs of rigid fins where else bony fish can have one, two or sometimes even three fins.

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