Oscar fish care guide covering large tank requirements, feeding, behavior, tank mates, and common diseases.
By Elena Vargas, Freshwater Aquarium Specialist
Tank
55 gallons
Temp
74–81°F (23–27°C)
pH
6.0–8.0
Diet
Carnivore (cichlid pellets, live fish)
Level
Intermediate
Social
Aggressive — keep alone or bonded pair