Black Skirt Tetra
Gymnocorymbus ternetzi
- Beginner
- Semi-aggressive
- 6 cm adult
- Freshwater
Knowledge-base entry — ask in store about availability.
A bold, deep-bodied tetra with a fading black gradient and flowing anal fin. Active and slightly nippy, so avoid long-finned tankmates.
- Min tank size
- 60 L
- Temperature
- 21–26 °C
- pH
- 6–7.5
- Hardness
- 4–12 dGH
- Group size
- 5+ (ideally 8)
- Diet
- Omnivore — flakes, small pellets, bloodworms
- Lifespan
- 3–5 years
- Adult size
- 6 cm
Breeding difficulty: Moderate
Scatter-spawner over fine-leaved plants; condition pairs on live food and remove adults after spawning.
Keep in groups of five or more to spread fin-nipping behaviour inside the school. Undemanding about water chemistry; provide open swimming space plus planted cover.