The Buenos Aires tetra is a popular, exceptionally hardy, and active freshwater fish native to the Río de la Plata Basin in South America. Known for its vibrant silver body and striking orange-to-red fins, it is one of the easiest tetras for beginners to care for .

• Adult Size: Up to 2.75 to 3 inches (7 cm), making it larger than standard neon tetras.
• Life Expectancy: 5 to 7 years with proper maintenance.
• Diet: Omnivore with a voracious appetite.
• Care Level: Easy / Beginner .