Snow White Discus (Symphysodon sp.) is a selectively bred strain prized for its stark, near-patternless white coloration — a dramatic departure from the vivid colors and stripes typical of most discus lines. The body is mostly clean white with faint green and red highlights in the fins; small black spots can appear and darken on the body under stress, making them a useful, easy-to-read indicator of water conditions and social compatibility within the tank. This listing is for large specimens, suited to an established discus keeper looking to add a mature, ready-to-integrate fish to an existing group.
Discus originate from the slow-moving tributaries and floodplain lakes of the Amazon River basin in South America, first entering the aquarium hobby in the early 1930s. They are considered an advanced fishkeeping species — not because they are fragile, but because they demand real consistency in water quality and parameters that many other community fish will simply tolerate.
Feeding & Care Tip: Discus need a diet genuinely higher in protein and fat than the average community fish — for true ideal condition, feed a rotation of high-quality discus-specific pellets, frozen or freeze-dried bloodworm, and tubifex worm, supplemented with quality flake. Adults should be fed 2–3 times daily; this large size class will eat well, but avoid overfeeding, as uneaten food is one of the fastest ways to crash water quality in a discus tank.
Maintain stable water parameters above all else — discus tolerate a fairly wide range of pH and hardness, but they do not tolerate sudden swings in either. Ideal conditions are a pH near 6.5–7.2 and a warmer temperature of 80–86°F, with low to medium water flow. If keeping discus in a heavily planted tank, a slightly lower pH of 6.0–6.8 and softer water (under roughly 150 ppm) works well alongside live plants.
Discus are largely peaceful but can become territorial and mildly aggressive toward each other during spawning. Keep in a group of at least 5–6 to establish a natural pecking order and reduce single-fish targeting. Good tankmates include cardinal tetras, neon tetras, rummynose tetras, clown loaches, and dwarf cichlids like rams or Apistogramma — all species that tolerate the same warm, soft, low-pH conditions discus require. If breeding, leave the fry with the parents; discus fry feed directly on a nutrient-rich mucus the parents secrete on their flanks in the days after hatching, and removing the parents early will starve the brood.
| Difficulty | Advanced — demands water quality consistency, not fragility |
| Temperament | Peaceful, mildly territorial during spawning |
| Adult Size | Up to 8 inches — this listing is large/mature specimens |
| Minimum Tank Size | 55 gallons for a group |
| Ideal Temp | 80–86°F (27–30°C) |
| Ideal pH | 6.5–7.2 (6.0–6.8 in heavily planted setups) |
| Ideal KH | 3–8 dKH |
| Staple Food | Discus-specific pellets, frozen/freeze-dried bloodworm and tubifex |
| Supplemental Food | High-quality flake, varied protein sources |
| Origin | Amazon River basin, South America |
| Notes | Stability matters far more than hitting an exact number. Fry feed on parental mucus — do not remove parents from a spawn. Small black spots indicate stress/water issues — useful diagnostic. |
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