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Petitella
Petitella includes Rummy Nose Tetras known for their bright red heads and tight schooling behaviour.
1 species indexed
What is Petitella?
Petitella is a genus of South American tetras that form tight schools and are sensitive to water quality.
Typical habitat and water envelope
Found in Amazonian tributaries with soft, acidic water and gentle flow.
| Temperature (typical) | 24 to 28 C |
| pH (typical) | 5.5 to 7 |
| Hardness band (typical) | very_soft to soft |
| Flow (typical) | low |
Informational only: compatibility logic remains species-level.
Compare species in Petitella
1 species shown
| Name | Size | Temperament |
|---|---|---|
 Rummynose Tetra Petitella bleheri | 4.0 | -- |
| Species | Size (cm) | Temp (C) | pH | Hardness | Flow | Temperament |
|---|---|---|---|---|---|---|
Rummynose Tetra Petitella bleheri | 4.0 | 22.0 to 28.0 C | 5.5 to 7.0 | very soft to medium | low | -- |