Black Nemo Oscar Care Guide

Astronotus ocellatus

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Bioload Score

14000

Semi-AggressiveModerate
Max Size
45 cm / 18"
Temperature
23–27°C (74–81°F)
pH Range
6 – 8
Min Tank Size
280L (74 gal)
Min Group Size
Can be kept alone
Tank Level
Mid-Top
Origin
South America
Temperament
Semi-Aggressive
Difficulty
Moderate
Breeding Difficulty
Moderate

Diet

An omnivorous predator that eats insects, crustaceans, small fish, worms and plant matter.

Community Compatibility

Suitable tankmates include large robust South American cichlids, large catfish, silver dollars and other similarly sized fish that are not timid or fin-nipping.

Good to Know

The Black Nemo Oscar is a selectively bred colour form of Astronotus ocellatus, a cichlid famous for recognising its keeper and begging for food.

Gender Differences

Males and females are difficult to distinguish outside breeding, although mature males may be slightly larger and females develop a more prominent ovipositor when spawning.

Stock Black Nemo Oscar in Your Tank

Use our free stocking calculator to see if Black Nemo Oscar fits your aquarium