Overview
The Pristella Tetra (Pristella maxillaris) is a freshwater fish belonging to the family Characidae. It thrives at temperatures of 24–28 °C with a pH of 6.0–8.0, and requires a minimum tank volume of 60 litres. Known for its very peaceful; one of the most adaptable tetras, it is considered a beginner-level species. Unusual tolerance for brackish water makes this species suitable for a wide range of setups. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Characidae |
| Genus | Pristella |
| Species | Pristella maxillaris |
| Water type | freshwater |
| Native range | Orinoco|Neotropical |
Natural Habitat
Pristella maxillaris originates from Orinoco|Neotropical. It inhabits freshwater environments and is adapted to the water conditions found in its native range.
Appearance
Adults reach 4–5 cm in length. The body is freshwater and the species displays characteristic coloration suited to its environment.
Behavior
This species is described as a very peaceful; one of the most adaptable tetras. It naturally schools and should be kept in groups of 6 or more. Activity level is moderate. Unusual tolerance for brackish water makes this species suitable for a wide range of setups.
| Trait | Value |
|---|---|
| Temperament | very peaceful; one of the most adaptable tetras |
| Schooling | Yes |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 24–28°C (75–82°F) | Use a reliable adjustable heater |
| pH | 6–8 | Avoid sudden swings |
| Hardness (GH) | 4–25 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 60L (16 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- One of the only tetras that naturally occurs in both freshwater and slightly brackish environments.
- The X-ray-like transparency of the body allows the spine to be seen — giving rise to the name 'X-ray Tetra'.
- Native to coastal rivers of Venezuela, Guyana, and the Amazon delta.
📋 Full Care Guide
Ready to set up a tank for your Pristella Tetra? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Pristella Tetra Care Guide →Related Species
Related Species & Guides
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.