List of cichlid fish of South America
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This is a list of South American cichlid species that are commonly kept by aquarists.
| Cichlid species | |||||||
|---|---|---|---|---|---|---|---|
| Picture | Common name | Species | Region | Size | Aggression | Level | Description |
 |
Green Terror | Aequidens rivulatus | North-West South America | 12 inch or 30.48 cm | Moderate | Bottom | Males grow much larger than females |
|
Freshwater Angelfish | Pterophyllum scalare | North-Central South America | 3.937 inch or 10 cm | Moderate; safe for community aquaria, but can be territorial with members of its own species | Midwater/Throughout | Comes in a variety of colors/patterns |
 |
Oscar | Astronotus ocellatus | Amazon Basin and The Guianas | 18 inches or 45.72 cm | Moderate, commonly thought to be aggressive, but not really | Midwater | The wild-caught forms of the species are typically darkly coloured with yellow-ringed spots or ocelli on the caudal peduncle and on the dorsal fin. |