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Blue Scorpion Discus

Symphysodon aequifasciatus var.

Also known as: Blue Scorpion Discus, Scorpion Discus

Origin: Captive bred (originally Southeast Asian hatcheries)

B

Water Parameters

Temperature2831 °C
15 °C35 °C
pH5.57
49
GH (Hardness)16 °dGH
0 °dGH30 °dGH
KH (Alkalinity)04 °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 Blue Scorpion Discus is a contemporary strain developed through careful selective breeding to produce a distinctive dark-line pattern superimposed over a rich blue background. The dark markings radiate outward from the central body area like the segmented tail of a scorpion, giving each specimen an almost abstract, graphic quality.

This strain requires experienced care — warm, very soft, acidic water and a high-protein diet with colour-enhancing supplements. The interplay of dark markings over blue requires optimal water quality; stress causes the dark pattern to blur as stress bars appear and compete with the scorpion markings.

Blue Scorpion is a conversation-starter fish that draws attention at discus meets and in display aquariums. Its unusual patterning is complemented by a calm, peaceful temperament typical of domestic discus strains.

Care Guide

Water: 28-31°C, pH 5.5-7.0, very soft (1-6 dGH), KH 0-4; pristine conditions to maintain pattern definition. Tank: Minimum 250 L, dark substrate, moderate lighting, minimal competing visual elements in decor. Feeding: Colour-enhancing discus pellets, frozen bloodworm, beefheart, mysis shrimp; varied high-protein diet. Breeding: Open spawner; scorpion patterning partially heritable; selective breeding required to maintain pattern. Compatibility: Peaceful with other discus, cardinal tetras, and gentle Amazon community fish.

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