The operculum
This is called the operculum
The flap of tissue that covers a bony fish gill is the bony operculum.
The fin located behind the operculum on a perch fish is the Pectural Fins (paired).
The gills of a fish.
The operculum is part of the respiratory system in fish. It is a bony flap that covers and protects the gills, helping with the process of obtaining oxygen from water.
It opens and closes like its breathing.
No, sharks do not have an operculum. Opercula are bony plates that cover the gills of bony fish to help with breathing, but sharks breathe through gill slits located on the sides of their bodies.
the gill operculum covers and protects the gills.
Pectoral fins
The gill casing is called the operculum
operculum