The cardinal tetra is one of the most well-known aquarium fish. They're the world's most-in-demand Amazonian ornamental fish, accounting for almost 80% of the total fish export from Amazonas, a state ...

If you want a colourful fish tank in your house, there are a lot of fish species to choose from. These fish would not only draw the attention of any visitor to the fish tank but would also liven up ...

This video uses a new batch of tetras to walk through a practical care guide for beginner fish keepers. He explains that some appear to be neon tetras while others may be cardinal tetras, then uses ...

The cardinal tetra is one of the most popular pet fish in the world. They look like little red and blue sequins. You've almost certainly seen them... The little pet fish that saved a town in the ...