a gill cover is used to cover the gill on the fish
What is a gill cover used for
operculum
It is used to cover the gill on the fish.
The gill casing is called the operculum
so they can wee
to protect the gills
That is a hard but flexible cover which, in bony fish, forms the outer wall of the gill chamber. It protects the gills and also plays a major role in the pumping mechanism that regulates the continuous flow of water over them.
Gill
Gill Sans.
I'm pretty sure its for breathing!!
gill
This is called the operculum
Pharyngeal slits are not gill slits. They are filter-feeding organs in non-vertebrates, and are used to strain matter and food from water.
A bilateral gill trama is a type of gill trama, the internal flesh of a mushroom's gill, which has a central strand of hyphae.