For the safety of our animals, we now ship live fish exclusively via UPS Next Day Air. If your order contains this item, you will only see UPS Next Day Air as a shipping option during checkout.

The Diamond Tetra (Moenkhausia pittieri) is a stunning South American tetra known for the shimmering, reflective scales that give the fish its jewel-like appearance. When mature and kept in a well-maintained aquarium, the body glitters with flashes of silver, green, and violet, especially under aquarium lighting. Males often develop extended fins and display more intense iridescence as they mature.

Tank-bred specimens are hardy and adaptable, making the Diamond Tetra an excellent choice for planted community aquariums. When kept in a proper group, they form active shoals that bring movement and sparkle to the midwater of the aquarium.

What We Love About This Fish

• Brilliant Iridescent Scales: Mature fish develop a reflective, diamond-like shimmer that gives the species its name.
• Excellent Community Fish: Peaceful temperament makes them suitable for many planted community aquariums.
• Active Schooling Behavior: Groups create lively movement in the midwater column.
• Hardy and Adaptable: Tank-bred specimens adjust well to a wide range of aquarium conditions.

Quick Care Guide

• Care Level: Beginner to Moderate
• Temperament: Peaceful
• Diet: Omnivore
• Adult Size: 2 – 2.5 inches
• Average Purchase Size: 1 – 1.5 inches
• Minimum Tank Size: 20 gallons
• Temperature: 72° – 82° F (22° – 28° C)
• pH: 6.0 – 7.5
• KH: 2 – 8 dKH

Live Arrival Guarantee

All Aquatic Arts animals are backed by our 100% Live Arrival Guarantee. Our experienced team carefully packs each order to ensure the healthiest possible delivery.

If you have any questions about care or compatibility, our team is always happy to help.