Piranha tank includes cichlids and giant danios

A short clip of my piranha tank. Featuring: 12 Red Bellied Piranha 10 Giant Danio 4 Cichlid Convicts ~20 Baby Cichlid Convicts Tank Setup: Fluval FX5 filled with Eheim media 20W UV Sterilizer - Generic Powerhead pumping about 90-120 gph through the UV 2x Koralia Evo 1050