Male molly stretching anal fins forward and then back and swims in circles around female molly

[joker39quacky]

Hello. My male molly fish has been stretching out his anal fins forward, perked up his dorsal fin, then swimmed in circles around the female molly. Do you guys know what it is?

 

[Slaphppy7]

Hello. My male molly fish has been stretching out his anal fins forward, perked up his dorsal fin, then swimmed in circles around the female molly. Do you guys know what it is?

Probably in the mood for love.

 

[joker39quacky]

Probably in the mood for love.

Makes sense, thanks for the response!

 

[Colin_T]

The male is displaying to the female and trying to breed with her.

The anal (bottom) fin on the males is called a gonopodium and is used to impregnate the female with one or more sperm packets. The female then uses a sperm packet to fertilise eggs she is carrying. The female can fertilise up to 6 batches of eggs without any males being present due to her ability to carry sperm packets until needed.

 

[emeraldking]

Pure courtship.... Always a fascinating thing to watch...
The male will flare with his finnage. Some also open up their gills more. And then the dance of romance...