Cichlidaefreshwater fishintermediate

Oscar Red

Astronotus ocellatus

Origin: South America

O

Water Parameters

Temperature2327 °C
15 °C35 °C
pH67.5
49
GH (Hardness)312 °dGH
0 °dGH30 °dGH
KH (Alkalinity)15 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
35 cm
Min Tank
400 L
Lifespan
10-15
Swimming Level
mid
Schooling
No
Diet
Carnivore; large cichlid pellets, frozen shrimp, earthworms, meaty foods
Temperament
Aggressive; will eat smaller fish; can coexist with similarly sized robust fish

About

The Red Oscar is a captive-bred color morph of Astronotus ocellatus featuring vivid red-orange markings across its large, muscular body. Famous for its exceptional intelligence and strong owner recognition, it becomes highly interactive over time, learning feeding routines and acknowledging its keeper with characteristic Oscar behavior. A classic and enduringly popular species for large cichlid aquariums and species-only displays.

Care Guide

Provide a 400 L+ aquarium with powerful filtration and weekly 30%+ water changes. Feed quality large cichlid pellets, frozen shrimp, earthworms, and varied protein foods. Avoid housing with smaller fish. Decor should be robust as Oscars rearrange gravel and uproot plants.

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