Fishician®Diet
Omnivore – flake food, pellets, frozen bloodworms, brine shrimp
Aquarium species profile
Black Skirt Tetra
Gymnocorymbus ternetzi · South America (Paraguay, Guapore river basins)
Minimum tank20 gal
Adult size2.5"
Care levelEasy
TemperamentSemi-Aggressive
Temperature72–80°F
pH range6.0–7.5
Compatible tank mates
Other medium tetras, Corydoras, Angelfish, peaceful barbs
Tank mates to avoid
Long-finned fish (Bettas, Guppies); known fin-nippers
Care notes
Hardy and active. Schooling; keep 6+ to reduce nipping. Glofish variants are this species genetically modified.
Check the whole aquarium. Tank size alone does not establish compatibility. Confirm adult size, water overlap, social grouping, territory, diet, and the individual animals before stocking.