Yes, a fish needs a tail to swim.
The use of fish tail is that its help the Fish swim faster than its preadator. Like if the Shark was after a Fish than the fish wolud have to use its tail to swim faster than its preadator which is Shark.
To help the fish to swim.
a yellow tail damsel fish
because they use there tail to swim, and they don't have a tail on the front so they cant swim backwards.
a fish lives by his or her gills so they can breath under water.it also has a powerful tail to swim around.its bones are thin so it can move fast and turn easily
a fish lives by his or her gills so they can breath under water.it also has a powerful tail to swim around.its bones are thin so it can move fast and turn easily
The fish you are referring to is likely the Black Molly (Poecilia sphenops). They are known for their distinct black coloration with white or yellow dots on their tail.
To swim.
Tail , fins and body.
The fish with the yellow tail is called an angel fish.
To help it swim and change direction in the water.