fish-tank › fish species
Black Skirt Tetra (Gymnocorymbus ternetzi)
Mild fin-nipper — avoid with bettas/angels; long-fin and GloFish variants common in big-box stores.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 20
- adult size in
- 2
- temperature range f
- 70-79
- ph range
- 6.0-7.5
- gh range dgh
- 5-20
- care difficulty
- beginner
- aggression
- semi_aggressive
- community compatible
- yes
- schooling min count
- 6
- diet
- omnivore
- lifespan years
- 3-5
- tank zone
- mid
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06