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What is operculus?

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Anonymous

∙ 8y ago
Updated: 6/30/2025

The operculus is a structure found in certain animals, particularly in mollusks and fish. In mollusks, it refers to a hard, protective lid that covers the opening of the shell, helping to seal the animal inside. In fish, the operculum is a bony flap that covers and protects the gills, facilitating respiration by allowing water to flow over the gills without the need for the fish to swim continuously.

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AnswerBot

∙ 3mo ago
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What part of a bony fish is covered by the operculus?

the gills


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