Green terror and Jack Dempsey sexing

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The GT is about 3.5 in and the Jack is about 4in.
I had a female GT way back and it had much less color than yours at that size , that’s why my guess is male. I’m not certain tho, try looking on YouTube or Google. Males get a nuchal hump so you could also watch for that as well
 
I had a female GT way back and it had much less color than yours at that size , that’s why my guess is male. I’m not certain tho, try looking on YouTube or Google. Males get a nuchal hump so you could also watch for that as well
Thank you. And yes he has a lot of color. When I got him he was in a tank with about 8 other Gts and he was clearly the most colorful and dominate.
 
Thank you. And yes he has a lot of color. When I got him he was in a tank with about 8 other Gts and he was clearly the most colorful and dominate.
Sounds like male is a pretty safe guess then to me. He is definitely a nice looking one
 
Both are males. Female jack dempseys have blue on their gill plate. The green terror has a thicker orange band on the fins and tail, which means it is a male. The green color is more intense on males too.
 
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Both are males. Female jack dempseys have blue on their gill plate. The green terror has a thicker orange band on the fins and tail, which means it is a male. The green color is more intense on males too.
Thank you! Do you think my JD will get darker and more color as he ages? Right now he runs the tank I also have a male salvini.
 
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