A fish's fins have many functions. Fish have several fins, and what they do with them depends on their species. Some fins are used purely for decoration or to attract a mate, but most have more practical functions. Generally, the fish's tail (caudal fin) is used for propulsion and steering.
The dorsal fin can be used to control height in the water and steering.
The fins on the sides of the body are used to balance the fish, for propulsion, for steering and paddling.
The pectoral fins on the fish's underside are used for steering.
The anal fin in the male livebearer is modified for use during internal fertilisation - it becomes a penis-like organ called a gonopodium.
provides stability and helps during turns. Sometimes (if spiny or containing poison) it is used for defense.
The anal fin is primarily used as a stabilizer; for females it is usually for show but for males it holds their reproductive part and they usually move it during mating season
The anal fin helps a fish to stabilize themselves in the water.
=The anal fin doesn't really do anything,==It sort of helps it move, it can also show if it's a boy or girl.==Only male sharks have an anal fin but girls don't.=
the posterior dorsal fin of a shark helps fluctuate body fluids and blood
The anal fin, is used to stabilize the fish while it is swimming.in some fishes such as trigger fishes.anal fin is used in sculling.in some live-bearinf fish,the anal fin of male is modified into a gonopodium.
The anal fin is the one just in front of the fishes anus.
what do the dorsal and anal fins do for a fish
A female usually has a fan shaped anal fin( anal fin is on the bottom of the fish), and a male's anal fin is pointy, or "rod shaped".
I guess you mean "Anal fin". If so, the answer is "yes fish do have an anal fin."
An anal fin is the single fin under the fishes tummy towards the tail end. The male platty has a pointed anal fin (this is called a gonopodium and performs like a penis) the female has a triangular anal fin.
It's the fin closest to the butt.
Pertaining to, or situated near, the anus; as, the anal fin or glands.
For stability
Behind the anal fin.
The tail fin is called the caudal fin and the fin near the rear on the bottom side is called the anal fin.
The one closest to the bum.