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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 nameGymnocorymbus ternetzi
GroupTetra
Adult size2.5 in (6.3 cm)
Minimum tank20 gallons
Temperature70-80°F
pH6-7.5
Hardness4-18 dGH
TemperamentPeaceful
SocialSchooling (keep 6+)
DietOmnivore
Swim levelMid
Care levelEasy
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.

Plan a tank with Black Skirt Tetra →