Diamond Tetra
Moenkhausia pittieri
Diamond Tetra (Moenkhausia pittieri) — Easy care, Peaceful, under Tetra & Characin. Minimum tank in the app: 19.8 US gal min; aim for 75–82°F and pH 5.5–7.5. Diamond Tetras are ideal for both novice and experienced aquarists due to their manageable size and striking appearance.
Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Mostly South America
- South America
Regional colours match the stocking calculator’s origin map.
Diamond Tetra Tank Setup
Create a spacious layout with ample swimming room complemented by plants and decorations to provide cover. A soft substrate and subdued lighting will enhance their colors and mimic natural conditions. Ensure flow is gentle, allowing for unhindered movement without overwhelming them.
What Do Diamond Tetras Eat?
Diamond Tetras feed quickly and enjoy a variety of micro foods. They can be competitive during feeding, so distribute food evenly to minimize squabbles.
Diamond Tetra Tank Mates
Ideal tank mates include similarly sized, peaceful species such as other tetras or small rasboras. Avoid aggressive fish or those that occupy the same mid-water zone, as this can incite stress. Intraspecies, they thrive best in groups of at least six, with larger groups enhancing their natural behavior and reducing stress.
Are Diamond Tetras Good for Beginners?
In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of group size, leading to stress and diminished activity. neglecting water quality parameters, specifically pH and temperature, can have adverse effects on their health.
Building a community? Run the full list through the stocking calculator before you add anything else.
Similar fish to consider
Log tests and reminders in App-aquatic—free, same data you see here.