plural noun
Si·​gan·​i·​dae | \ -ganəˌdē\

Definition of Siganidae

: a small family of compressed ovate-bodied herbivorous fishes having minute scales concealed in slippery skin and strong fin spines capable of inflicting painful wounds that is usually isolated in a special suborder of the order Percomorphi and is widely distributed in the tropical Indo-Pacific

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History and Etymology for Siganidae

New Latin, from Siganus, type genus + -idae

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