Oscar (Astronotus ocellatus)

General data
- Main name: Oscar
- Local names: Tiger oscar, Velvet cichlid, Marble cichlid
- Climates: Tropical
- Habitat: Freshwater
- Native: South America
- Introduced: Asia, North America, Australia & Oceania
- Distribution: Amazon, Chagres River, Guadalquivir, Everglades (Florida)
Classification
- Genus: Astronotus - Oscars
- Family: Cichlidae - Cichlids
- Order: Cichliformes - Cichlids
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes