Black Skirt Tetras (Gymnocorymbus ternetzi), also known as Black Widow Tetras, are a popular and visually striking species of freshwater aquarium fish known for their distinctive black markings and peaceful nature. They belong to the Characidae family and are known for their unique appearance. Here’s some information about Black Skirt Tetras:
Source: Marrabbio2, CC BY-SA 3.0 Appearance: Black Skirt Tetras have a streamlined, elongated body with a black, triangular patch covering their upper body and extending into their dorsal fin. This distinctive marking resembles a black skirt, hence their common name. The lower part of their body is typically silver or gray. Their striking appearance makes them stand out in aquariums.
Size: Black Skirt Tetras typically grow to around 2.5 inches (6.4 centimeters) in length.
Temperament: They are generally peaceful and can be kept in community aquariums with other non-aggressive fish species. However, like many tetras, they are schooling fish and should be kept in groups of six or more to make them feel secure and exhibit their natural behavior.
Aquarium Setup: Black Skirt Tetras thrive in well-planted aquariums with hiding spots and open swimming areas. A tank size of 20 gallons or more is suitable for a small group of Black Skirt Tetras. They prefer water movement, so a gentle filter flow is beneficial.
Water Parameters: Black Skirt Tetras prefer slightly acidic to neutral water conditions with a pH range of 6.0 to 7.5. The water temperature should be maintained between 70-79°F (21-26°C). Stable water conditions are important for their well-being.
Source: Fernandograu, CC BY-SA 3.0 Diet: They are omnivorous and accept a variety of foods. Black Skirt Tetras can be fed high-quality flake or pellet food, live or frozen foods like brine shrimp, bloodworms, and daphnia. A balanced diet is crucial for their health and coloration.
Health and Care: Black Skirt Tetras are generally hardy but can be susceptible to common fish diseases. Regular water changes, good filtration, and proper maintenance are essential to maintain their health. They are sensitive to temperature fluctuations and should be kept in a stable environment.
Black Skirt Tetras are a popular choice for aquarists due to their striking appearance and peaceful nature. When kept in a well-maintained tank with stable water conditions and suitable tankmates, Black Skirt Tetras can create a captivating and visually pleasing display in your aquarium.