Black Skirt Tetra Care & Compatibility
Gymnocorymbus ternetzi
A hardy, deep-bodied tetra with dramatic black fins that pale with age. Peaceful in a group but may nip long fins if kept in small numbers.
Min 20 gal 2.5" adult Peaceful Easy care 70-80°F
Care requirements
| Scientific name | Gymnocorymbus ternetzi |
|---|---|
| Group | Tetra |
| Adult size | 2.5 in (6.3 cm) |
| Minimum tank | 20 gallons |
| Temperature | 70-80°F |
| pH | 6-7.5 |
| Hardness | 4-18 dGH |
| Temperament | Peaceful |
| Social | Schooling (keep 6+) |
| Diet | Omnivore |
| Swim level | Mid |
| Care level | Easy |
| Lifespan | ~5 years |
Quick answers: tank size · temperature · pH & hardness · tank mates
Best tankmates for Black Skirt Tetra
Neon Tetra
Ok · 20 gal+
Cardinal Tetra
Ok · 20 gal+
Guppy
Ok · 20 gal+
Endler's Livebearer
Ok · 20 gal+
Platy
Ok · 20 gal+
Molly
Ok · 20 gal+
Swordtail
Ok · 20 gal+
Dwarf Gourami
Ok · 20 gal+
Pearl Gourami
Ok · 30 gal+
Honey Gourami
Ok · 20 gal+
Avoid keeping with
Discus
Not recommended
Frequently asked questions
What size tank does a Black Skirt Tetra need?
A Black Skirt Tetra needs a minimum of 20 gallons. Because it is a schooling fish, keep a group of at least 6, which may require more space.
Is the Black Skirt Tetra good for beginners?
The Black Skirt Tetra is rated easy to care for. It is a great choice for beginners.
What water parameters does a Black Skirt Tetra need?
Keep Black Skirt Tetra at 70-80°F, pH 6-7.5, and hardness 4-18 dGH.
How many Black Skirt Tetra should I keep together?
Keep at least 6 together — they are happier and less stressed in a group.