. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage . Fig. 50.—Reef fishes with teeth fused into a beak: a, Diodon hystrix, a porcupine fish, and b, Sparisoma aurojrenatum, a parrot fish. After Jordan and Evermann. the teeth are consolidated into a beak, enabling them to bite off small branches of coral. Among these are the pomacentrids (Fig. 48a), the sparids (Fig. 506), and the suborder Plectognathi with the trigger fishes (Batistes, Fig. 48c), the trunk fishes, the puffers (Fig. 50a,

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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology