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Compatible fish
Rummynose Tetra
Hemigrammus bleheri
5/5 — Perfect
Description
The Rummynose Tetra is an excellent choice for a discus aquarium — native to the Rio Negro, it moves in impressively tight schools. The red nose becomes more intense in good water.
🌍 Origin
Rio Negro, Amazonia — a shared habitat with discus.
Appearance
Silvery body with a bright red nose and a black-and-white striped tail. 4–5 cm as an adult.
Recommended water parameters
pH
5.5-7.0
Temperature
26-30°C
TDS
80-200 ppm
GH
2-8
Size
4–5 cm
Lifespan
5–8 years
Min. group
10+ specimens
Compatibility with discus
Excellent bonus: the red on the nose fades when the water is poor — a visual indicator of aquarium health.
Care
Sensitive to water quality — do regular water changes. Moderate lighting with floating plants.
Feeding
Micro-pellets, brine shrimp, daphnia, premium flakes. 1–2x/day.
Behavior
Peaceful and gregarious, forms a compact school. Ideal for the midwater zone.
💡 Practical tips
- →School of at least 10 specimens
- →Pale red nose = check parameters immediately
- →Loves floating plants
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