Arguably the most popular of the small tetras, the cardinal tetra is similar in appearance to a longtime aquarium favorite, the neon tetra. Cardinal tetras are an active schooling fish, and they live peacefully in a community aquarium. Although they are difficult to breed in captivity, tetras remain a very popular aquarium fish.
|Origin||Brazil, Colombia, and Venezuela|
|Social||Peaceful, suitable for a community tank|
|Tank Level||Top to mid-dweller|
|Minimum Tank Size||20 gallon|
|pH||4.6 to 6.2|
|Hardness||Up to 4 dGH|
|Temperature||73 to 81 degrees F (23 to 27 degrees C)|