plural noun
Ophi·​ce·​phal·​i·​dae | \ˌäfəsə̇ˈfaləˌdē, ˌōf-\

Definition of Ophicephalidae 

: a family of elongated cylindrical carnivorous labyrinth fishes comprising the snakehead mullets of eastern Asia and Africa and usually made coextensive with a suborder of Percomorphi

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History and Etymology for Ophicephalidae

New Latin, from Ophicephalus, type genus (from ophi- + -cephalus) + -idae

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to enclose within walls

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