Cardinal Tetra (Paracheirodon Axelrodi) Fish Species Profile
The Cardinal tetra is arguably the world's most popular aquarium fish species. It is similar in appearance and often confused with the Neon tetra.
The Cardinal tetra is a highly sociable fish and should be kept in as large groups as possible, so they form tight groups and create a dazzling shoaling effect that forms the focal point of any aquarium. They are more sensitive and susceptible to poor water conditions than their neon cousins and prefer a heavily planted aquarium that replicates a more natural habitat.
|Scientific Name||Paracheirodon Axelrodi|
|Aquarium Level||Middle - Top|
|Best kept as||Groups 6+|
|Maximum Size||2.0 inch|
|Temperature||73.4 - 84.2 ℉ (23 - 29 ℃)|
|PH||3.5 - 7.5|
|GH||1 - 5|
|KH||2 - 6|
|TDS||20 - 215|
This species comes from South America from slow-moving creeks such as the Orinoco and the Rio Negro, feeding mainly on worms and crustaceans on the lower levels of the canals and streams.
Cardinal tetras will accept virtually all forms of aquarium food such as flakes, pellets, granules to frozen and live foods which should be included in their diet, as well as green vegetables on occasion to maintain a healthy balanced diet.