The family of tropical fish commonly known as surgeonfish or doctorfish, named for their sharp spiny structures.
From Greek 'akantha' (thorn) + Latin '-idae' (family suffix). The family name reflects the prominent spines on the fish's tail.
These reef fish have evolved scalpel-sharp spines on their tails as weapons—hence 'surgeon'fish—and they can inflict serious wounds on larger predators or unsuspecting humans.
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