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Pearl Discus

Symphysodon aequifasciatus var.

Also known as: Pearl Discus, Pearlescent Discus

Origin: Captive bred (originally Southeast Asian hatcheries)

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Water Parameters

Temperature2831 °C
15 °C35 °C
pH5.57
49
GH (Hardness)16 °dGH
0 °dGH30 °dGH
KH (Alkalinity)03 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
20 cm
Min Tank
250 L
Lifespan
10-15
Swimming Level
middle
Schooling
Yes (5–10+)
Diet
carnivore
Temperament
peaceful, hierarchical within group

About

The Pearl Discus is a refined domestic strain occupying the pale, luminous end of the discus colour spectrum. Its cream-white to pale champagne base carries a subtle iridescent sheen — soft silver and gold undertones visible when light strikes the body at oblique angles — giving it the quality of a fine baroque pearl.

Pearl Discus are among the most discerning when it comes to water quality. The pale, semi-reflective body surface shows stress bars, disease, and nutritional deficiency with unusual clarity. This makes husbandry both more demanding and more transparent — any deviation from optimal conditions is immediately visible.

A group of Pearl Discus in a minimalist aquarium with dark substrate, soft diffuse lighting, and a single species of slow-moving companion fish creates an atmosphere of quiet luxury that is the antithesis of a typical busy community tank.

Care Guide

Water: 28-31°C, pH 5.5-7.0, very soft (1-6 dGH), KH 0-3; near-pristine conditions; near-zero nitrates. Tank: Minimum 250 L, dark substrate, diffuse soft lighting, minimal decor to keep focus on the fish. Feeding: White-flesh protein sources — mysis, white mosquito larvae, lightly coloured pellets; avoid heavy colourants. Breeding: Open spawner; pearl colouration partially dominant; selective pairing to maintain pale phenotype. Compatibility: Species-only discus tank or with very gentle, slow-moving non-competitive companions.

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