[ACDC]

can anyone tell me what a male and female redbelly Piranha looks like they are around 2-3 inches

 

[Sir Nathan XXI]

thats too early to tell, unless you put them under a microscope when they were fry. wait until they get around 6-7" and then I may be able to tell

 

[Xenon]

This question has been asked before....check out the thread Here.

Also check the Piranha Husbandry forum for some more answers.