The cardinal tetra is a small and colorful freshwater fish that is popular among aquarium enthusiasts. It is native to the Amazon River basin in South America. The cardinal tetra is known for its vibrant red and blue colors, which make it a visually striking addition to any aquarium.

In terms of care, cardinal tetras prefer to live in groups of at least six or more individuals. They thrive in well-maintained aquariums with plenty of hiding spots and dense vegetation. It's important to provide them with a balanced diet consisting of high-quality flakes, pellets, and occasional live or frozen foods.

Water conditions are crucial for the health of cardinal tetras. They prefer soft, slightly acidic water with a temperature range of 73-81°F (23-27°C). Regular water changes and proper filtration are necessary to maintain water quality.

Cardinal tetras are generally peaceful and can coexist with other peaceful fish species of similar size. However, they can be sensitive to water parameters and should not be housed with aggressive or fin-nipping fish.

Overall, the cardinal tetra is a beautiful and relatively easy-to-care-for fish that can add a splash of color to any aquarium.

Family	Characidae	Keeping	School	Habitat	Rivers
Size	1.25	Care Level	Easy	Temp.	75-80
Diet	Omnivore	Life Span	4-5 years	pH	6.8-7.8
Behavior	Peaceful	Origin	South America	Reproduction	Egglayer