The have fins and gills.
to help the fish swim and float
To help the fish to swim.
You can't help a fish with swimming because if the fish is bending it means that it is about to die and not being able to swim is a nother sign of the fish about to die.
what help fish regulate how close they swim to the bottom
no, they have a swim bladder but this is so the fish can stay afloat
they can be used as food
swim
yes they do help fish swim, because without them fish would sink and drown
Yes. Fins, a swim bladder, the composition of their bones, and their muscles all help a fish to swim.
Without fins, fish would not be able to move around (swim) and live.
That would be the swim bladder.
Scales