Diamond Tetra
The Diamond Tetra (Moenkhausia pittieri) is a spectacular and shimmering tetra species known for its iridescent scales that reflect light like tiny diamonds. These peaceful, schooling fish create a dazzling display as their diamond-like scales catch the light from every angle. With their elegant fins and graceful movements, Diamond Tetras add both sparkle and sophistication to any planted community aquarium. Hardy and easy to care for, they are excellent choices for both beginner and experienced aquarists.
Care Sheet – Diamond Tetra (Moenkhausia pittieri)
Temperament
Peaceful, social schooling fish
Best kept in groups of 8 or more for natural behavior
Adult Size
2–2.5 inches
Minimum Tank Size
20 gallons for a school
Water Parameters
Temperature: 75–82°F
pH: 6.0–7.5
Hardness: Soft to moderately hard (2–15 dGH)
Ammonia/Nitrite: 0 ppm
Nitrate: <20–30 ppm
Diet
Omnivorous
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Feed a varied diet:
High-quality flakes or small pellets
Frozen or live foods: brine shrimp, daphnia
Occasional vegetable matter
Feed small amounts 1–2 times daily
Behavior & Compatibility
Excellent for peaceful community tanks
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Compatible with:
Other tetras, rasboras, and peaceful fish
Corydoras and other bottom dwellers
Peaceful gouramis and dwarf cichlids
Avoid aggressive or fin-nipping species
Aquarium Setup
Planted tanks with dark substrate to enhance sparkle
Open swimming space in the middle levels
Moderate to bright lighting to showcase diamond effect
Clean, well-oxygenated water
Care Level
Easy
Hardy and adaptable
Lifespan
3–5 years with proper care
Special Notes
Iridescent scales that sparkle like diamonds in the light
Males develop longer, more elaborate fins
Colors and sparkle intensify with age and proper care
Peaceful and elegant addition to community aquariums
