Howdy,
I am keeping my 10'' pirayas with Endlers. Has been working well for about one year now. They reproduce in the same rate that adult females are eaten. Adult males are too smalland survive in large numbers, which makes for quite the colorful tank. I also have red cherry shrimp, red crabs, and spotted raphel catfish in the same tank.
I think there are two keys to successful cohab:
I am keeping my 10'' pirayas with Endlers. Has been working well for about one year now. They reproduce in the same rate that adult females are eaten. Adult males are too smalland survive in large numbers, which makes for quite the colorful tank. I also have red cherry shrimp, red crabs, and spotted raphel catfish in the same tank.
I think there are two keys to successful cohab:
- size difference (tiny fish/inverts with huge piranhas)
- activity difference (add strictly nocturnal fish and they'll survive 'cause your Ps sleep. Hint: do not add a moonlight...)