How can I tell if my mollie fish is a boy or a girl?

M

monica c:

New member
I have two mollies, one is a dark red, and the other one is yellow. The red one is smaller, and a bit fatter than the yellow one. the yellow one is around one inch, and is more slender. Please give me as much info as possible, and a picture so I can compare them with my fish. thanks
 
Males will have a thing called a gonopodium which is located next to the anal fins. The females will not have this. Also, male mollies have a much larger dorsal fin and pointed anal fins. The female's anal fins are rounded.

Hope this helps!!!
 
Males will have a thing called a gonopodium which is located next to the anal fins. The females will not have this. Also, male mollies have a much larger dorsal fin and pointed anal fins. The female's anal fins are rounded.

Hope this helps!!!
 
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