
Blackline Tetras
Regular price $10.00/
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A rarely seen and highly sought-after species of schooling tetra, the Costae or Blackline Tetra is an extremely active species, they form large schools or shoals in the wild as a defense from predation. In the aquarium, their fast-moving nature and unique tail stripe pattern adds flash and movement to the middle and upper levels of the aquarium which has made them extremely popular
Water Parameters
- Temperature: 70–81°F
- Chlorine/chloramines: 0 ppm (very toxic)
- Ammonia/Nitrite: 0 ppm
- Max Nitrate: 30 ppm
- pH: 6–8
- dGH 2-15
- Minimum Tank Size: 30 gallons
- Best in groups of 6 or more