Variety of Oscar

Lemon oscar

Astronotus ocellatus

One of 4 varieties of Astronotus ocellatus · See all varieties →

Also known as Yellow oscar

FreshwaterFish

Lemon oscar (Astronotus ocellatus)

Varieties · Astronotus ocellatus

See all 4

Care at a glance

Temperature
68–82°F
20–28°C
pH
6.0–7.5
Adult size
13.8 in
35 cm
Minimum tank
95 gal
360 L
Temperament
Aggressive
Social behavior
Solitary
Tankmates
With caution
Swim level
Middle
Difficulty
Medium
Breeding
Hard
Rarity
Rare
Family
Cichlidae

Overview

Lemon is the yellow oscar: lemon to mustard coloring over a cream-white body, with much less of the orange-red pattern than a standard albino shows. Tone varies between suppliers, and some shops use lemon and albino for the same fish, so look at the fish rather than the tag. It turns up in fewer stores than the plain albino.

In the wild

Lemon oscars are a pale selection out of albino stock held by ornamental farms, and nothing in the wild looks like one. No source names the breeder, the country or the decade, so this is a hobby line of uncertain origin. Retailers list it as tank-bred alongside the other pale forms.

Good to know

The yellow look comes from dark pigment being cut back, leaving the yellow layer to carry the fish. The orange-red pattern is reduced too, so the yellow ground does most of the work. Pattern intensity is a graded trait, so lemon spawns come out uneven and get sorted by eye. Retailer and hobby pages split the name between a dark-eyed xanthic fish and a red-eyed albino one, so eye color is worth checking against the label.

Did you know

The same fish can be a lemon in one store and an albino in the next, because neither name has a standard behind it. Shops that stock both tend to keep lemon for the palest, most evenly yellow fish in the batch.

Common questions

Is a Lemon oscar a different species from the Oscar?

No. A Lemon oscar is a variety of the Oscar, Astronotus ocellatus, and it wants the same tank, water and food as the species.

What size tank does a Lemon oscar need?

A Lemon oscar needs at least 95 gal (360 L). It spends most of its time in the middle.

How big does a Lemon oscar get?

An adult Lemon oscar reaches about 13.8 in (35 cm).

Related species