Since Cardinal Tetras are school fish and prefer swimming in packs, we recommend getting at least five. FAQs How many Cardinal Tetras should I get? A mixture of baby brine, bloodworms, daphnia, and cyclops will satisfy any Cardinal Tetra’s appetite. Like other Tetras, Cardinal Tetras are omnivores and feast on various meat-based and plant-based foods. Make sure to separate your shrimp colonies before adding Cardinal Tetras to your aquarium.

They tend to eat the shrimp’s fry and will even nip at adult shrimp. However, we don’t recommend housing Cardinal Tetras with shrimp colonies. They enjoy socializing and swimming with other Cardinal Tetra and make wonderful tankmates for Discus and Rams. TankmatesĬardinal Tetras are tranquil fish that get along with most other freshwater species. They are easy to take care of and make great additions to any hobbyist’s aquarium regardless of their skill level, so whether you're new to the hobby or a seasoned veteran, Cardinal Tetras can take your aquarium to incredible new heights. Adult Cardinal Tetras are relatively small and reach around 1.5 inches on average. The captivating fish require a 20-gallon tank with assorted plants, driftwoods, and rocks simulating their natural habitat. They swim in groups of at least five, although they prefer schools of ten or more. They also enjoy warmer water than Neon Tetras, making them fantastic tankmates for Discus and Rams.Ĭardinal Tetras are schooling fish and enjoy swimming in packs. It also has a gorgeous blue eye with near-translucent fins, making them sought after by aquarium enthusiasts worldwide. They sport a beautiful sliver underbelly with a bright red and blue stripe covering most of its body. The eye-catching freshwater fish is similar to Neon Tetras, but their size and coloration put them in a league of their own. One of the most popular aquarium fish in history, Cardinal Tetras (Paracheirodon Axelrodi) are tropical fish that’s captivated aquarium enthusiasts for generations. Cardinal Tetras for Sale General Background

Cardinal tetra