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The Buenos Aires Tetra (Hyphessobrycon anisitsi) is a vibrant and energetic freshwater fish, highly popular among aquarists for its striking appearance and lively disposition. Reaching a maximum size of about 2.5 to 3 inches, these tetras boast a shimmering silver body with a distinctive red or orange coloration on their fins, particularly the dorsal and caudal, often complemented by a dark spot or stripe near the caudal peduncle. They are robust and relatively adaptable, making them an excellent choice for both beginners and experienced hobbyists. Native to the Paraná River basin in South America, they thrive in well-oxygenated tanks with a strong current, mimicking their natural environment. While generally peaceful, Buenos Aires Tetras are known to be fin nippers, especially if kept in insufficient numbers or with slow-moving, long-finned tank mates. Therefore, it's crucial to keep them in schools of at least 6-8 individuals to help distribute their playful aggression and ensure their comfort. An ideal aquarium setup would be a minimum of 20 gallons for a small school, decorated with sturdy plants (as they are known to nibble on softer foliage), driftwood, and open swimming spaces. They are omnivorous, readily accepting high-quality flake food, pellets, bloodworms, brine shrimp, and vegetable matter. Maintaining stable water parameters with a temperature between 68-78°F (20-26°C), a pH of 6.0-7.5, and moderate hardness will ensure their long-term health and vibrant coloration. Their active schooling behavior and bright flashes of color make them a dynamic and engaging addition to a community aquarium, provided their specific needs regarding tank mates and environment are met.

Known to eat live plants.