Black Widow Tetra

Black Widow Tetra (Gymnocorymbus ternetzi)

Size: Up to 6 cm (2.4 inches)
Description:
The Black Widow Tetra is a hardy and adaptable fish with a bold black-and-white pattern reminiscent of its namesake spider. This peaceful fish adds contrast and activity to community tanks and is suitable for beginners.

Care:

• Water Parameters: pH 6.0–7.5, moderate hardness

• Temperature: 22–26°C

• Tank Setup: Planted tank with open swimming areas and gentle filtration

• Diet: Omnivorous; flakes, pellets, live/frozen foods accepted

• Schooling: Groups of 5–6 or more to minimize fin-nipping

• Temperament: Semi-peaceful; may nip fins if kept in too small groups