The _______ is a covering over the gills of bony fish.

Name: The _______ is a covering over the gills of bony fish.
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Question

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The operculum is a bony structure that covers and protects the gills of bony fish. The spiracle is a respiratory opening in some aquatic animals, the rostrum is a beak-like projection on the head of some animals, and a papula is a small, raised projection on the skin or other tissue.

The _______ Is a Covering Over the Gills of Bony