Fishes let you live longer, it helps your stomach system..digestive
they help save them by inserting fish sperm into female fish
They both help a fish to move
If your questions is do gills help fish breathe, than yes, they extract the air from the water, and into the fish. If your questions is do gills help fish breed, than no, they do not.
Fish breathe with the help with gills.
fish has protein
The finns on a fish help the fish to navigate and turn.
it help the fish to move swiftly threw the water
No Seals eat fish.
They can eat. and breathe
Fish don't have noses, they have gills which make them breathe.
yes they do help fish swim, because without them fish would sink and drown
To help the fish to swim.