Costae Tetra

Costae Tetra (Astyanax costae)

A hardy and active schooling tetra with a silvery body and a dark shoulder spot, the Costae Tetra is a robust and energetic addition to community tanks. Best appreciated in groups, it brings constant mid-water movement and is a great choice for beginners.

Care at a Glance:

• Minimum Tank Size: 75L with plants and open swimming space
• Temperature: 24–28°C
• pH Range: 6.0–7.5
• Water Hardness: Soft to moderate
• Temperament: Peaceful but active; can be slightly nippy with slow-moving fish
• Diet: Flakes, micro-pellets, frozen bloodworms and brine shrimp
• Max Size: 5–7cm
• Lifespan: 3–5 years
• Care Level: Easy

Tank Mates: Active community fish such as other tetras, rainbowfish, and barbs; avoid slow-moving or long-finned species.

Origin: South America — São Francisco River basin (Brazil)