Rummy Nose Tetra Overview
The Rummy Nose Tetra (Hemigrammus rhodostomus) is a freshwater fish from the family Characidae. It thrives at temperatures of 24–26 °C with a pH of 5.5–6.5, requiring a minimum tank size of 80 litres. Sensitive tetra prized for its bright red nose and tight schooling behavior. The red blush fades when stressed — a useful water quality indicator.
Quick fact: Hemigrammus rhodostomus belongs to the family Characidae. Care level: intermediate.
Rummy Nose Tetra Scientific Classification
| Rank | Classification |
|---|---|
| Family | Characidae |
| Genus | Hemigrammus |
| Species | Hemigrammus rhodostomus |
| Water type | freshwater |
Rummy Nose Tetra Natural Habitat
Rummy Nose Tetra Appearance & Size
Rummy Nose Tetra Behavior & Temperament
The red blush fades when stressed — a useful water quality indicator
| Trait | Value |
|---|---|
| Temperament | Sensitive tetra prized for its bright red nose and tight schooling behavior |
| Schooling | Yes |
| Activity level | active |
Rummy Nose Tetra Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 24–26°C (75–79°F) | Use a reliable adjustable heater |
| pH | 5.5–6.5 | Avoid sudden swings |
| Hardness (GH) | soft dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <10 ppm | Manage through regular partial water changes |
| Min. tank | 80L (21 gal) | Larger tanks are easier to keep stable |
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.
Interesting Facts About Rummy Nose Tetra
- Rummy Nose Tetras school so tightly they appear to move as one organism
Species Related to Rummy Nose Tetra
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Editorial review
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.