Cichla

The tucanare peacock bass, Cichla monoculus, is a large predatory cichlid from Colombia, French Guiana, Peru and Brazil, including the Rio Solimões. Often sold as small juveniles, it grows to around 80 cm and needs a tank of at least 10 x 3 x 4 feet as an adult, so it is more suited to public aquaria. It is territorial and moderately aggressive and will eat any tankmate small enough to be considered food.

The peacock bass, Cichla ocellaris, is a large predatory cichlid native to Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil. Introduced populations exist in several countries, including Singapore and the USA. Often sold as small juveniles, it grows to around 75 cm and needs a tank of at least 10 x 3 x 4 feet as an adult, and it will eat any tankmate small enough to be considered food.

The Orinoco peacock bass, Cichla orinocensis, is a predatory cichlid from the Orinoco basin in Venezuela and Colombia and the Rio Negro in Brazil. One of the smaller peacock bass, it still grows to around 60 cm and needs a tank of at least 8 x 3 x 3 feet as an adult. It is territorial and moderately aggressive and will eat any tankmate small enough to be considered food.

The speckled pavon, Cichla temensis, is a large peacock bass from the Rio Negro, Uatumã and Orinoco basins in Colombia, Venezuela, Guyana and Brazil. One of the largest Cichla species at up to 99 cm, it is more suited to public aquaria and needs a tank of at least 10 x 3 x 4 feet as an adult. Often sold as small juveniles, it is also fished as a sport fish.