← Back to species
Hemigrammus
Hemigrammus is a diverse genus of South American tetras that includes many popular schooling species found in community aquariums.
1 species indexed
What is Hemigrammus?
Hemigrammus are small to medium-sized tetras native to South America. They are peaceful shoaling fish commonly kept in planted aquariums.
Typical habitat and water envelope
Found throughout Amazonian tributaries and floodplains, Hemigrammus species inhabit slow-moving, often tannin-stained waters with soft substrates and dense vegetation.
| Temperature (typical) | 22 to 28 C |
| pH (typical) | 6 to 7.5 |
| Hardness band (typical) | soft to medium |
| Flow (typical) | low |
Informational only: compatibility logic remains species-level.
Compare species in Hemigrammus
1 species shown
| Name | Size | Temperament |
|---|---|---|
 Glowlight Tetra Hemigrammus erythrozonus | 4.0 | -- |
| Species | Size (cm) | Temp (C) | pH | Hardness | Flow | Temperament |
|---|---|---|---|---|---|---|
Glowlight Tetra Hemigrammus erythrozonus | 4.0 | 24.0 to 28.0 C | 5.5 to 7.0 | very soft to medium | low | -- |