Algae Eater

I've heard that black female bettas are sterile. How much black does it take to make a female sterile? I've got a blue/green crowntail female and she has a pure black face and I'd like to know if it would be possible to breed her. Here's her picture.

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Bunny4.JPG (175.6 KB, 41 views)

Red1313

Balck Melano females are infertile Black pigmentation is natural but in Melano's this is increased to such a degree that it impacts the ability of the eggs to develop. Your female is showing a normal "spread irridecence" pattern. A black head like her's is sometimes referred to as a "black mask" I believe.
I couldn't find a good image but here's a link about the various "black" bettas.

Martinismommy

This is a black melano female...And yes, they are sterile your female is a blue with a black head not a melano...

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melano.jpg (238.3 KB, 37 views)

Algae Eater

Thanks for the clarification! I guess I just had bits and pieces of the truth and got worried. I am really looking forward to making a "trial run" to see if breeding bettas might be something I'd like to do.

That's a beautiful betta girl, MM!