Because they feel like it and that's how they were made.They also have tails because that is the ways the move forward and backward and the way they ca steer there way though the ocean and rivers on there long journey
In some cases like fancy goldfish and certain types of guppy it is for appearances. Some commercial breeders tend to do this because it is easy to do by selection and also in some cases, simply because they can. In other cases where the fish has evolved to have a forked tail it is usually to increase the fishes mobility at specific speeds.
the tail's for power and i think the fins are for like steering
because after a couple of months fish develop a symtom called youraspasweresmetail
the tail's for power and i think the fins are for like steering
Probably, dorsal, ventral and tail fins.
Tail , fins and body.
Scales, gills, fins, tail, streamlined, cold blooded
They both help a fish to move
fins and tail fin
AnswerBy swimming. The fish uses it's tail muscles to pull its tail back and forth propelling the water out of the way. Did you know that the faster-swimming fish generally have a smaller gap in their tail while slow fish have a bigger gap?Fish move by oscillating their fins and tails. It is a very efficient form of transport in the water.
To swim..? If you mean the fin on top of their bodies then it helps stabilize them.
no usually just the tail , the other fins are for steering
mouth or gills
Well there are lots of types of fins for betta fish. my betta fish has a long stringy tail and fins, but my female has short average fins. most have plain fins. mine is the only one i have seen in my area with a stringy tail. most fish have stringy tails if they are sick but not mine he was bred to be like that. depending on the fish and the area well there are lots of things that are considered normal for bettas.
Salmon don't have feet, they're fish. They have 6 fins and a tail.