A. ocellatus is native to Peru, Colombia, Brazil and French Guiana and occurs in the Amazon river basin, along the Amazonas, Içá, Negro, Solimões and Ucayali river systems, and also in the Approuague and Oyapock drainages. In its natural environment the species typically occurs in slow moving white-water habitats, and has been observed sheltering under submerged branches. Feral populations also occur in China, northern Australia, and Florida, USA as a by-product of the ornamental fish trade. The species is limited in its distribution by its intolerance of cooler water temperatures, the lower lethal limit for the species is 12.9 °C (55.2 °F).
Astronotus ocellatus is a species of fish from the cichlid family known under a variety of common names including oscar, tiger oscar, velvet cichlid or marble cichlid. In South America, where the species occurs, A. ocellatus are often found for sale as a food fish in the local markets. However, its slow growth limits its potential for aquaculture. The species is also a popular aquarium fish.[
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Tiger Oscar".