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Freshwater fish care guide

Black Skirt Tetra

Freshwater aquarium livestock

Hardy schooling tetra; some individuals may nip fins.

Starter tank20+ gal
Temperature70–82°F
pH6–8
Group guide6+

Planning your aquarium

The library starting point is 20+ US gallons. Plan for the approximate 2.5-inch adult size and the species' normal activity, not just its current shop size.

The library suggests a group of at least 6. Count every individual when estimating stocking and swimming room.

Mixed-species aquariums may need substantially more space. Tank length, adult behavior, filtration, and hiding spaces all matter.

Tank setup and behavior

  • Include planting or cover without removing all open swimming space.

Hardy schooling tetra; some individuals may nip fins.

Food and feeding

Food options: Tropical flakes, Small pellets, Frozen daphnia.

Use appropriately sized, complete staple foods and rotate suitable foods for variety. Feed modest portions and remove uneaten food.

Tankmate cautions in the checker

  • Use caution with Betta Fish: Some black skirt tetras nip fins; monitor closely.

These are selected rule-based cautions, not a complete compatibility assessment.