Mar 5, 2025 · Cardinal Tetras feel like hidden treasures of the freshwater world. They’re beautiful, simple to take care of, and as calm as a lazy river’s flow. However, there are some aspects of their care that are noticeably different than other fish in their family.

Female cardinal tetra. What are Cardinal Tetras? Paracheirodon axelrodi is known for being one of the most stunning schooling fish in the aquarium trade. Its common name refers to the very prominent, cardinal red stripe running horizontally down its body, which is paired with an iridescent blue stripe that is visible even when the fish tank ...

The cardinal tetra (Paracheirodon axelrodi) is a freshwater fish of the family Characidae of order Characiformes. It is native to the upper Orinoco and Negro Rivers in South America.

Feb 22, 2022 · The cardinal tetra is a freshwater species of tetra fish. Cardinal tetras are popular due to their dazzling colors and neon blue stripes.

Nov 21, 2023 · The social and peaceful cardinal tetra is an active schooling fish that’s similar in appearance to the neon tetra. Learn more about how to care for this fish.

Cardinal Tetras, known for their peaceful nature, are ideal additions to community aquariums, and understanding their needs is essential for their well-being. We will explore their preferences in water conditions, tank setup, and compatible tankmates to help you create a …

Dec 27, 2022 · Cardinal Tetras, as well as the Neon Tetras, can make a sparkling addition to any tank, due to their bright coloration and very active behavior. Remember to keep them in very large groups to make them feel more secure, while displaying the most vibrant colors.

Mar 4, 2023 · The cardinal tetra is found on the upper Orinoco and the Negro rivers, which are located in Colombia and Venezuela, and Brazil, respectively. Lifespan: The typical Cardinal Tetra lifespan is between four and five years when healthy. Shoaling: Yes: Temperament: The cardinal tetra is a peaceful and mild creature that becomes fearful and shy in ...

The Cardinal Tetra (Paracheirodon axelrodi) is a small tropical freshwater fish that is extremely popular and well known in the aquarist hobby. Looking similar to and often confused with its cousin, the Neon Tetra, it has a diminutive size that works well for smaller tanks adding a flourish of vibrant color and shimmer that is exceptional.

Jul 20, 2023 · Cardinal Tetras are good fish to add to an aquarium to observe schooling behavior and provide bold and hardy tankmates for larger, more solitary, or slow-moving varieties of fish. The cardinal tetra is not only a great alternative to the Neon Tetra, but it …