Sex Mollys

grampy932

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how to sex mollys. I have one of each, but the supposed male is very fat since I bout him eight days ago?

how to sex mollys. I have one of each, but the supposed male is very fat since I bout him eight days ago?
 
It's really easy to determine the sex of mollies. The male will have a "gonopodium" under his tummy area - it's a long, thinnish looking fin that runs parallel to its body. Females don't have this.

Try Googling that word and you should find some pics come up.

Athena
 
A fish with a gonopodium, the fin along the bottom of the fish.

MaleCloseup.jpg


A female of the same species with a typical female shaped fin.

femaleCloseup.jpg


These fish are Heterandria formosa but the sex organs are much like the ones on a molly.
 

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