Southern Oscar (Astronotus crassipinnis)

General data
- Main name: Southern Oscar
- Climates: Tropical
- Habitat: Freshwater
- Native: South America
- Distribution: Amazon, Parana
Classification
- Genus: Astronotus - Oscars
- Family: Cichlidae - Cichlids
- Order: Cichliformes - Cichlids
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes
Description
Astronotus crassipinnis is a South American fish in the cichlid family. It is not as well-known or common in the aquarium trade as its relative, the more northernly distributed oscar (A. ocellatus). A. crassipinnis reaches up to 25 cm (10 in) in length. Distribution Amazon River basin, in the Bolivian Amazon and Madre de Dios River drainage in Peru; Paraná River basin in the Paraguay drainage in Paraguay and Brazil.