All Fish Breed Profile

Black Skirt Tetra

The Elegant Active Schooler

Black Skirt Tetras are active, peaceful fish known for their distinctive black dorsal and anal fins that resemble flowing skirts. These schooling fish display fascinating group behavior and bring constant gentle movement to aquariums.

Small (2-2.5 inches) 3-5 years Peaceful, Active, Schooling
A group of Black Skirt Tetras with distinctive black fins swimming together

Why Black Skirt Tetras Are Perfect for First-Time Owners

Schooling Behavior

Black Skirt Tetras must be kept in groups of 6 or more. Watching them move together is mesmerizing.

Hardy & Resilient

These tetras tolerate a wide range of water conditions and are forgiving of beginner mistakes.

Active Swimmers

Constant gentle movement brings life to your aquarium throughout the day.

Peaceful Community

Rarely aggressive toward other species. Beautiful with peaceful community fish.

Pros

  • Distinctive black finnage creates elegant appearance
  • Active schooling behavior provides constant entertainment
  • Hardy and adaptable to various water conditions
  • Peaceful nature suits most community aquariums
  • Inexpensive and readily available

Cons

  • Must be kept in groups of 6+ - they become stressed alone
  • May nip at long-finned fish occasionally
  • Can appear less colorful compared to other tetras
  • Require moderate swimming space
  • Color fades somewhat in older fish

Care Requirements

What you need to know to keep your Black Skirt Tetra healthy and happy

Exercise

Exercise

20 minutes daily

Need 20+ gallon tank. Provide open swimming space with plants along edges. Appreciate gentle water flow.

Grooming

Grooming

Weekly partial water changes

Perform 25-30% water changes weekly. Maintain temperature 70-79F. Keep pH 6.0-7.5.

Nutrition

Nutrition

Feed high-quality flakes or micro pellets 2-3 times daily. Supplement with frozen foods weekly.

Training Timeline

1
Days 1-7

Acclimation Period

Float sealed bag for 15 minutes. Add tank water gradually over 30-45 minutes. Release school together.

2
Week 2-4

School Settling

Begin feeding at consistent times. School should swim together more confidently.

3
Month 2-3

Behavior Normalization

School should display coordinated swimming patterns. Fish comfortable in open water.

4
Month 4+

Full Establishment

Fully acclimated. Maintain stable water conditions. Enjoy synchronized movements.

Health Information

Common health concerns and prevention tips for Black Skirt Tetra

Common Health Issues

  • Ich (white spot)
  • Fin rot - from poor water quality
  • Neon tetra disease
  • Stress from inadequate schooling
  • Ammonia poisoning

Prevention Tips

  • Always keep in groups of 6 or more
  • Maintain stable temperature 70-79F
  • Regular water changes
  • Quarantine new fish
  • Avoid aggressive species

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