Earliest you've sexed fry?

[Mbratcher13]

I have 6 week old convict fry and will probably be rehoming in the next 3 weeks or so. People have asked for boys/girls for the notorious red belly. I've tried seeing those with more blue on dorsal and pelvic fins but no luck just yet. They're about a half in, maybe a little over. I tried the light trick in their 30 gallon breeder with mom and dad. Any suggestions?


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