Hemigrammus rhodostomus
Rummy Nose Tetra
One of the best schooling fish, Rummy Noses stay very tight together. They are famous for their red faces, which act as a 'canary in a coal mine'—the red fades if water quality is poor.
Ensure perfect water for Rummy Nose Tetra ➔
Perfect for Aquaware Monitoring
🐟
Caution: Highly Sensitive
This species reacts immediately to unstable water parameters. Even minor fluctuations can be critical. Continuous 24/7 monitoring with Aquaware is highly recommended.
Temperature
24 - 30 °C
75 - 86 °F
pH Value
5.5 - 7.0 pH
Acidity Level
Mineral Content (TDS)
20 - 150 ppm
✅ Ideal for Aquaware Sensor
Did you know?
Their tail fin has a distinct black and white checkerboard pattern.
Aquaware Pro Tip
They are sensitive to nitrates; keep them in a well-planted tank with regular maintenance.
Natural Habitat
Blackwater streams in the Amazon and Orinoco basins.
Diet & Nutrition
Omnivore. Small flakes, pellets, and frozen daphnia or cyclops.
Behavior
Peaceful and very active schooler. Needs plenty of swimming space.
Max Size
4-5 cm (1.5-2 inches)
Average adult size
Lifespan
5-8 years
Years with proper care
Swim Zone
Preferred tank region
Top
Mid 🐟
Bottom
Min. Tank
80 Liters
Recommended minimum size
Social
10 Fish
Schooling fish (Minimum!)
Add. Space
8 L
Required per additional fish
(2 Gallons)
(2 Gallons)
💧 +8 Liters needed