i think 5
They have gills, similar to shark's gills, to whom they are related.
They have gills. They do not breathe the same air that we do.
i lobter has 878 gills
sting rays are fish and have gills. leran about fish
17 gills = 7cups
With gills, just like almost all other fish.
There are two gills located on each side of a perch. The Opercula is the covering that protect the gills.
A squid has a total of 4 gills, 2 on each side.
Goldfish do not have lungs. Sorry but they have gills. =) Goldfishes do not have lungs. They have GILLS.
Four gills is 16 fluid ounces.
two layers of gills on each side
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