Question

why bony fishes have operculum?​

Answer 1

Answer:

The operculum is a bony flap of skin over their gills that protects the gills. It opens and closes to help bony fish breathe when they are not swimming. Bony fish have scales, and most species have a fusiform body design.

Follow please

Answer 2

Answer:

The operculum is a series of bones found inbony fish and chimaeras that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding.

hope this answer may help you