Overview
The X-Ray Tetra (Pristella maxillaris) is a beginner freshwater species known for its translucent, silver coloration. Translucent body. Mid.
Origin & Appearance
Origin: South America.
Colors: Translucent, Silver.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 5.0 x 0.9 x 1.5.
Sexual Dimorphism: Subtle; females plumper.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 75–82°F |
| pH Range | 6–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Mid-water schooler; smooth cruising; transparent body ripples through water; steady predictable paths
Speed: 42/100Aggression: 1/10diurnalSchooling (6+)
Breeding
Moderate; egg scatterer
Common Diseases
💊 Hardy
Expert Notes
Translucent body