Help needed Jaguar's

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pics 2 and 3 are males pics 1 and 4 are females.

1 and four are same fish

 

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pics 2 and 3 are males pics 1 and 4 are females.

double

 

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it is hard to tell with #3 but #1 is for sur a male. 2 i would say the same but not 100 percent sure. Looks like a nuc. bump is forming. What size are they? They are extemely hard to sex until they start to really fill out.