Serrasalmus nattereri (Serrasalmidae)

This is the red-bellied piranha. In captivity, piranhas must be isolated from other species in a spacious, well-planted tank. They are by preference carnivorous: feed meat, mussels, or small, live fish. Reproduction is difficult in captivity. Size: 20-30 cm.

• Nannobrycon eques (Lebiasinidae)
• Gymnocorymbus ternetzi
• Cichlasoma (or Parapetenia) salvini
• Labeo bicolor
• Hemigrammus ocellifer