The frontal pectoral (and pelvic) fins can provide the most resistance against the water, to cease forward momentum. If a sudden stop is required at high speed, though, i believe fish turn sharply, cancelling momentum that way.
the are used to help it swim
Some fish have caudal fins.
yes, jawless fish have no paired fins
fins!
mouth or gills
Fins
Each species of fish has unique uses for their fins, but simply put fish use their fins to propel and to steer themselves.
Fish use fins to help them swim better. If you go swimming, you will swim faster, with swim fins, instead of just feet. Fins are better for fish instead of hands.
Tail , fins and body.
the are used to help it swim
Some fish have caudal fins.
They use there fins
all fish have fins
The ones in pairs are: pelvic fins and pectoral fins.
of corse theres fins on the side of a fish :)
fins and tail fin
They use there side fins to help them steer.