Black Widow Tetra
Gymnocorymbus ternetzi
Difficulty (1-5): 1/5
Description
Undemanding, adaptable tetra that tolerates a wide range of water. Can nip long fins, so avoid slow, trailing tankmates.
Water test requirements
- pH: 6 – 8
- Temperature: 21 – 27 °C
- General Hardness (GH): 3 – 20 °dGH
- Nitrate (NO3): ≤ 50 mg/L
Photos
