Cichlidaefreshwater fishadvanced

Ghost Discus

Symphysodon aequifasciatus var.

Also known as: Ghost Discus, Translucent Discus

Origin: Captive bred (originally Southeast Asian hatcheries)

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Water Parameters

Temperature2831 °C
15 °C35 °C
pH5.56.8
49
GH (Hardness)15 °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 Ghost Discus is one of the most unusual and rare domestic strains in the discus hobby. Its body appears almost translucent — a pale silver-grey through which the faintest suggestion of body structure is visible — as though the fish exists just at the edge of visibility. The red eye floats within this ghostly form like a glowing lantern.

This strain is extremely sensitive to environmental conditions. The translucent quality of the body makes any internal health issue, stress response, or water quality problem immediately apparent, making the Ghost Discus simultaneously the most demanding and most informative fish in a collection.

Proper husbandry requires near-pristine soft, warm, acidic water, minimal bright light, and a stress-free environment. Kept well, the Ghost Discus is a conversation piece that no other freshwater fish can match.

Care Guide

Water: 28-31°C, pH 5.5-6.8, very soft (1-5 dGH), KH 0-3; any water quality lapse is immediately visible on body. Tank: Minimum 250 L, dim lighting, shaded areas via floating plants or overhangs, dark background. Feeding: High-quality protein — white mosquito larvae, mysis, lightly coloured discus pellets; minimal colour enhancers. Breeding: Rare but possible; pair in a dedicated breeding tank at stable 30°C with vertical slate. Compatibility: Species-only or with very gentle companions; any stress is visible and must be avoided.

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