Common Oscar

South American Cichlid | Common Oscar

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(Please note that the fish shown in the photo is only a representative of what an adult specimen would look like. The color may vary based on the age and sex of the fish you receive.)

Scientific Name: Astronotus ocellatus

Common Name: Common Oscar or Wild Oscar

Adult Size: 13 inches

Life Expectancy: 10 - 13 years

Habitat: Amazon

Minimum Tank Size: 75 gallons

Ideal Tank Conditions:

    • Temperature Range: 78°F
    • pH Range: 7.0 - 8.0
    • Water Hardness: 5 - 20

      Temperament:  Can be aggressive if not given a large enough aquarium.

      Diet & Nutrition:  Omnivore, will eat flakes, pellets, freeze dried and live foods. Give them a varied diet with lots of protein.

      Breeding & Spawning:  Reach sexual maturity at 4 inches and will form life long pairs. Keep the water temperature around 82°F and provide a spot for them to place the eggs. A large rock would work well.

      Gender:  Can be difficult to determine. The female is usually smaller and less colorful than a male of the same age.