The Lemon Oscar is a bright yellow morph of the Oscar fish, selectively bred for its lemon-like coloration. Known for its bold personality and intelligence, it is a favorite centerpiece in large aquariums.
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The Lemon Oscar is a bright yellow morph of the Oscar fish, selectively bred for its lemon-like coloration. Known for its bold personality and intelligence, it is a favorite centerpiece in large aquariums.
Bright lemon-yellow body coloration, often uniform across the body with minimal markings. Their vivid shine is especially striking under aquarium lighting.
10–15 years
Omnivorous; thrives on high-quality cichlid pellets, live and frozen foods like worms, shrimp, crickets, and occasional vegetables.
Lemon Oscars bring a burst of color and intelligence to aquariums. Their beauty, interactivity, and bold behavior make them prized among cichlid enthusiasts.
Intermediate to Advanced
75 gallons (125+ gallons for pairs)
6.0–7.5
5–20 dGH
74–81°F (23–27°C)
12–14 inches
Large cichlids (Severum, Jack Dempsey, Jaguar Cichlid), Plecos, Silver Dollars, Bichirs.
Small fish, shrimps, snails, or peaceful species.
Astronotus ocellatus (Lemon variety)
Cichlidae
Selective breeding from Amazon Basin Oscars
Semi-aggressive; territorial and dominant, especially during breeding.
Feed twice daily with pellets, supplementing with shrimp, worms, and frozen foods.
Egg layer; lays eggs on flat stones or glass, with parents providing strong protection.
Like other Oscars, they pair up, clean a flat surface, and lay eggs that hatch in 2–3 days. Parents protect fry until they are free-swimming. Fry can be fed baby brine shrimp.
pH: 6.0–7.5, Temperature: 74–81°F, Hardness: 5–20 dGH
Hole-in-the-head disease, ich, fin rot, parasitic infections. Prevent with stable water quality and a varied diet.
Semi-aggressive; territorial and dominant, especially with smaller tank mates.
Curious and playful, Lemon Oscars interact with owners and often rearrange tank decorations. They may act aggressively toward tank mates during feeding or breeding.
Lemon Oscars are a selectively bred variety of Astronotus ocellatus, designed to display a glowing yellow coloration that resembles a lemon. They are intelligent, interactive, and form strong bonds with their keepers. Lemon Oscars require large aquariums with powerful filtration due to their heavy waste production. They are semi-aggressive, so ideal tank mates include large cichlids and other robust fish. Their striking coloration and bold personality make them highly desirable among aquarists.