The best replacement for piranhas is oscars.

The best alternatives to piranhas are rated as following:
★★★★★  oscars
★★  cichlids

Your alternative for piranhas is not listed? Suggest!
Speaking about piranhas, one probably shouldn't forget about oscars.

Other search terms related to piranhas and their ratings are:
★★★★★ oscars
You have in mind a companion for piranhas and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of piranhas in all years. Click on graph for more.
piranhas
oscars
cichlids