The Black Skirt Tetra (Gymnocorymbus ternetzi), also known as the Black Widow Tetra, is a popular freshwater fish renowned for its striking black coloration and peaceful demeanor. Originating from South America, this species is a favorite among aquarists for its active schooling behavior and compatibility with a wide range of tank mates. Their hardy nature and social behavior make them an excellent choice for both beginner and experienced fish keepers. Features Scientific Name: Gymnocorymbus ternetzi Common Names: Black Skirt Tetra, Black Widow Tetra, Petticoat Tetra Origin: South America (Paraguay, Brazil, Argentina) Size: Up to 6 cm (2.5 inches) Lifespan: 3–5 years Temperament: Peaceful and social; best kept in groups of 6 or more Diet: Omnivorous – accepts flakes, pellets, live, and frozen foods Water Parameters: Temperature: 22–26°C (72–79°F) pH Level: 6.0–7.5 Hardness: 5–19 dGH Minimum Tank Size: 75 liters (20 gallons). Why Choose Black Skirt Tetras? Beginner-Friendly: Hardy and adaptable, making them suitable for novice aquarists. Peaceful Nature: Ideal for community tanks with other non-aggressive species. Active Schooling Behavior: Exhibit lively group interactions when kept in schools. Unique Appearance: Distinctive black coloration adds visual interest to aquariums. Low Maintenance: Hardy and adaptable, making them ideal for beginners. Tank Requirements Substrate: Fine gravel or sand to mimic natural habitats. Decor: Incorporate live plants, driftwood, and rocks to provide hiding spots and reduce stress. Filtration: Efficient filtration system to maintain water quality; ensure gentle water flow. Lighting: Moderate lighting to enhance their coloration and support plant growth. Tank Cover: Secure lid recommended, as they may jump if startled. Compatible Tank Mates Black Skirt Tetras are generally peaceful and thrive in community setups with similarly non-aggressive species. Suitable companions include: Neon Tetras Harlequin Rasboras Corydoras Catfish Cherry Shrimp Zebra Danios Note: Avoid housing them with aggressive or fin-nipping species to prevent stress and potential injury. Recommended Plants Java Fern Anubias Amazon Sword Cryptocoryne Hornwort Water Wisteria These plants provide shelter and contribute to a healthy tank environment, complementing the Black Skirt Tetra's natural behavior. Feeding Recommendations Staple Diet: High-quality flake or pellet food formulated for small tropical fish. Supplementary Foods: Live or frozen foods like brine shrimp, daphnia, and bloodworms. Feeding Frequency: Once or twice daily; offer only as much as they can consume in 2–3 minutes to prevent overfeeding. FAQs Q: Are Black Skirt Tetras suitable for beginners?A: Yes, their hardy nature and peaceful temperament make them ideal for novice aquarists. Q: Can they be kept in planted tanks?A: Absolutely; they thrive in aquariums with live plants, which provide hiding spots and enhance their natural behavior. Q: Do they require a heater?A: Yes, they prefer stable temperatures between 22–26°C (72–79°F), so a heater is recommended. Q: How many should be kept together?A: They are social fish and should be kept in groups of at least six to promote natural behavior and reduce stress. Q: Are Black Skirt Tetras available in Melbourne?A: Yes, they are in-stock and available for in-store purchase in Melbourne. Why Choose Fish Hut Aqua? At Fish Hut Aqua, we provide premium-quality fish like the Black Skirt Tetra / Black Widow Tetra, along with expert advice to help you maintain a thriving and balanced aquarium. Add the Black Skirt Tetra to your aquarium today and enjoy the beauty and energy they bring to your aquatic world!
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