Green terror sex?

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Definitely too little to identify accurately, but based on my experiences, I would suspect a male. His colors seem extraordinarily striking with the "metallic green sheen". I had one that small develop a nuchal hump when he was trying to spawn with a Blue Acara. The Blue Acara laid eggs, but the little male was not able to fertilize the eggs. The Green Terror and Blue Acara would became extremely aggressive and would defend the eggs against the other fish. Anyways... If I did guess, I would guess a male but it would not be certain at that size. :) I hope it helps! (For example, compare to other Green Terrors that size and you will see what I mean, presuming the tank has favorable conditions such as the overall environments hat would stimulate optimal coloration)


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There is no way you can tell the sex at that size. GT is hard to sex because there is no external difference between sex until they reach 4 to 5 inch size, at that time, male will show slighly longer fins, steeper forehead, and brighter color. But at that size, it is too late to be useful as they are ready to breed anyway. At small size, dominant females in a batch can be brightly colored and mistaken as males.
 
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