Black Skirt Tetra

Black Skirt Tetra

Gymnocorymbus ternetzi

Also known as: Black Widow Tetra, Petticoat Tetra

💧 Freshwater ⚡ Semi-aggressive 🟢 Easy 🍽️ Omnivore Schooling (5+)

Hardy, attractive tetra with flowing black fins. Can be nippy, especially in small groups.

Tank Size

20 gal
minimum (30+ preferred)

Temperature

72–82°F
22–28°C

pH Range

6–7.5
water acidity

Max Size

2.5"
6.3 cm

Lifespan

5–7 years
typical in captivity

Swim Level

Middle
preferred zone

Care Notes

Keep in groups of 5+ to minimize fin nipping behavior. Very hardy and adaptable.

Feeding

Flakes, pellets, frozen and live foods. Easy to feed.

Compatible Tank Mates

None identified.

Use Caution With

Incompatible With

Check Compatibility

Want to check if Black Skirt Tetra is compatible with a specific fish? Use our compatibility checker to build your complete tank.