Black Skirt (Widow) Tetra

⚫ Black Widow Tetra (Gymnocorymbus ternetzi)
Add bold contrast and active movement to your aquarium with the classic Black Widow Tetra. Also commonly known as the Black Skirt Tetra, this popular tropical fish is recognised for its silver-grey body, dark vertical markings, and flowing black fins.

Hardy, active and easy to care for, Black Widow Tetras are a great choice for UK fishkeepers looking for a lively schooling fish for community aquariums.

🌿 Why Choose Black Widow Tetra?
⚫ Striking black and silver body pattern
🐠 Active schooling fish for community tanks
🌱 Suitable for planted aquariums
⭐ Hardy and beginner-friendly tropical fish
👥 Great movement in mid-water areas
🔍 Also known as Black Skirt Tetra

Their bold shape and active shoaling behaviour make them a standout choice in medium-sized community tanks.

📏 Care Requirements
🧬 Scientific Name: Gymnocorymbus ternetzi
📛 Common Name: Black Widow Tetra / Black Skirt Tetra
🏠 Tank Size: 60L+ recommended
🌡️ Temperature: 22–28°C
⚗️ pH Range: 6.0–7.5
🧘 Temperament: Peaceful (can be slightly nippy if kept in small groups)
🍽️ Diet: Flakes, pellets, frozen & live foods
👥 Group Size: 6+ recommended (8+ ideal)
📍 Swimming Level: Mid-water

Black Widow Tetras do best in aquariums with open swimming space, stable water conditions, and plenty of visual cover from plants or décor.

🐠 Compatibility
Suitable for active community aquariums with other tetras, rasboras, danios and bottom dwellers. Avoid slow-moving or long-finned fish, especially if they are not kept in a proper group.

Important Notes
Keeping Black Widow Tetras in larger groups helps reduce fin-nipping behaviour and encourages more natural shoaling behaviour. A mature, well-maintained aquarium is recommended for best results.

The Black Widow Tetra is a fantastic choice for UK fishkeepers looking for a hardy, attractive schooling fish for tropical community aquariums.