Any easy way to sex mollies

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16 Apr 2013 20:41 #1 by wolfie (Anthony)
I have 5 mollies and i am not sure if they are all male or mixed sex,two of them seem to be a little different on the rear fin but i am not sure has anyone got any handy ways of telling?

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16 Apr 2013 20:48 #2 by Esoxluciouss (denis goulding)
an easy well put together answer from another site..



yes its very easy to tell the difference between them, but you have to wait until their about a few months old and get big enough to see their equipment....the males have a thin anal fin, called a gonopodium and they will wiggle it around, the females, their anal fin fans out like a normal fish. their anal fin is the one that preceeds their tail fin and is very easy to see the difference if you can catch them sitting still.

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16 Apr 2013 22:08 #3 by JustinK (Justin Kelly)
The anal fin is underneath before the caudal fin (tail)
On a male its pointy on a female its triangular.

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16 Apr 2013 22:16 #4 by wolfie (Anthony)
cheers lads

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