It is in exactly the same place on all fish. (just in front of the anus). In the case of a male Molly, it develops into a "gonopodium" and is used to transport milt (sperm) into the "cloaca" of the femae thus impregnating her.
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∙ 14y agoThe 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.
It's all in the anal fin (the rear fin on the bottom just before the tail fin). In a male, it will be skinny and pointed and separate from the body, in a female it will fan out like a true fin and sometimes fold up against the body which can make sexing them confusing. Usually, watching them a few minutes is all it takes to figure it out.
If you water is clean and tempered right it will!
Pertaining to, or situated near, the anus; as, the anal fin or glands.
For stability
Behind the anal fin.
If you look at there bottom fin the males have a fin that sticks strait back where females are fan shaped.