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The operculum
no.
This is called the operculum
The flap of tissue that covers a bony fish gill is the bony operculum.
Tilapia become mature at the age of 13.
The operculum of a perch, or any bony fish, is located behind the jaw and face, just in front of the pectoral fin.
The fin located behind the operculum on a perch fish is the Pectural Fins (paired).
i believe muscular
Tilapia are fresh water fish originally from Africa but now found in warm and tropical inland waters in most places in the world.
The gills of a fish.
No,Tilapias are small white fish.They cannot eat ducks.
It opens and closes like its breathing.