Eigenmannia virescens

The green knifefish originates from calm waters in South America, and therefore prefers soft, acid conditions. Another more or less twilight species, it appreciates live prey. Appears not to breed in captivity. Size: 20-30 cm.

• Nimbochromis venustus
• Capoeta schuberti
• Mesonauta festivus (Old genus name Cichlasoma)
• Cynolebias bellottii
• Macropodus opercularis