how big in size are piranhas when they are ready

1131 Views 8 Replies 9 Participants Last post by Xenon, Mar 10, 2003

EMJAY

Discussion Starter · Mar 9, 2003

my p's are no bigger than 5" at most and they are really dark, they don thave much red on them at all, they swim in circles with eachother and poke at eachoter with their noses. they sometimes but rarely fight, and when they do its not more than a nibble at anothhers fin which just grows back in a few days anyway. so what size are p's when they are ready to mate, are they full grown, if so then why are mine acting weird?

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hastatus

· #8 · Mar 10, 2003

so what size are p's when they are ready to mate, are they full grown, if so then why are mine acting weird?

Your P. nattereri are not full grown, they are actually less than half grown. The topic of sexual maturity is well discussed in this forum and doing a quick search in Piranha Husbandry should give you some ideas on this topic. Also, I have other links you can use to find documented cases of this species spawning in aquarios that might be helpful in Piranha Science.

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