Sexing baloon Mollies

Moe

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I just got two balloon belly mollies. So far I like them they stay at the top of the tank and swim over when someone walks by. The both look the same with these enormous bellies. Does anyone know how to tell the males from the females?
 
Male Mollies have a modified fin called a gonopodium, the females have a normal unmodified fin. I don't have pictures that show the difference between the fin of the Male Molly and the fin of the Female Molly.

But Swordtails are closely related to Mollies, and I do have pictures showing the difference between the fin on Male and Female Swordtails. click here for pictures .
 
Male Mollies have a modified fin called a gonopodium, the females have a normal unmodified fin. I don't have pictures that show the difference between the fin of the Male Molly and the fin of the Female Molly.

But Swordtails are closely related to Mollies, and I do have pictures showing the difference between the fin on Male and Female Swordtails. http://aquariumfish.net/catalog_pages/live....htm#gonopodium
 
Male Mollies have a modified fin called a gonopodium, the females have a normal unmodified fin. I don't have pictures that show the difference between the fin of the Male Molly and the fin of the Female Molly.

But Swordtails are closely related to Mollies, and I do have pictures showing the difference between the fin on Male and Female Swordtails. http://aquariumfish.net/catalog_pages/live....htm#gonopodium
 
Male Mollies have a modified fin called a gonopodium, the females have a normal unmodified fin. I don't have pictures that show the difference between the fin of the Male Molly and the fin of the Female Molly.

But Swordtails are closely related to Mollies, and I do have pictures showing the difference between the fin on Male and Female Swordtails. http://aquariumfish.net/catalog_pages/live....htm#gonopodium
 
Moe said:
I just got two balloon belly mollies. So far I like them they stay at the top of the tank and swim over when someone walks by. The both look the same with these enormous bellies. Does anyone know how to tell the males from the females?
It is very easy actually.
All you have to do is look just behind there fat bellies you will either see a some like fan or a point. The fan is a female and the point is the male because it is his penis. Also if they are both boys then you will have to split them up but i also had ballon mollies and the way it sounds it seems as if you have 2 females.
Hope this helped.
 
Also if they are both boys then you will have to split them

Why would you have to split them up? I have never heard of anyone having problems with keeping them when they are both males. Some people find it easier to have livebearers separated by male and female so they don't constantly have baby fish.
 
guppymonkey said:
Also if they are both boys then you will have to split them

Why would you have to split them up? I have never heard of anyone having problems with keeping them when they are both males. Some people find it easier to have livebearers separated by male and female so they don't constantly have baby fish.
Because they start to fight if they are both males if you read up about them it will say have 1 male to 2 or 3 females and especally if you have 2 males they will fight so the females will take there mind of fighting.
 
I have 2 gay stupid mollies. At least I think they're gay they could be bi, they like to screw one another :crazy: and they don't swim off they do it for a period of time then I like to get a net and hit them with it so they will nock it off :angry: :crazy: :angry:
 
Guppy Mad said:
guppymonkey said:
Also if they are both boys then you will have to split them

Why would you have to split them up? I have never heard of anyone having problems with keeping them when they are both males. Some people find it easier to have livebearers separated by male and female so they don't constantly have baby fish.
Because they start to fight if they are both males if you read up about them it will say have 1 male to 2 or 3 females and especally if you have 2 males they will fight so the females will take there mind of fighting.
If you only have males then you don't have to worry about fighting. They only fight when there females but not enough females to go around. If there are no females available they are absolutely fine to keep together. Most breeders separate out males and females so that they can be sure of the breeding population.
 

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