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How to look after
Paracheirodon axelrodi
Cardinal Tetra
Schultz, 1956

Paracheirodon axelrodi - Cardinal Tetra - One of the most well known and widely kept of all aquarium fish, due to its peaceful temperament and beautiful colouration.
One of the most well known and widely kept of all aquarium fish, due to its peaceful temperament and beautiful colouration.
more images here

(Other members of the genus Paracheirodon)

ADULT SIZE: 5 cm

WATER CONDITIONS: Moderately soft and acidic

TEMPERATURE RANGE: 22-28 C

FOOD: Feed Paracheirodon axelrodi live and dried foods

DISTRIBUTION: This species comes from Brazil, Colombia, Venezuela

SEXUAL DIFFERENCES: Sexing cardinal tetras is not all that easy. Females tend to be fuller bodied than the slightly slimmer males


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AQUARIUM CARE: A very common fish both in the wild and aquariums. It is probably one of the most attractive of all aquarium species. It is an ideal community species, however does prefer a shaded area of the tank, so provide floating plants. Cardinals (like neon tetras) look their best in a dark, well planted tank, in a large shoal (10-30 fish). Almost all aquarium-available fish are wild caught in Amazonia.

BREEDING: Breeding can be accomplished in soft acidic water at 24 deg C; a typical plant spawner, that requires quite specific conditions. This is a difficult fish to breed, hence their continued capture in the wild.

Have you bred Paracheirodon axelrodi? Why not fill in a breeding questionaire?, or examine existing Paracheirodon axelrodi breeding reports








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Fishkeeping Facts and Tips

A biotope aquarium is one that attempts to replicate the natural habitat of a particular species. These aquariums are often more staisfying for the owner, but will also keep the fish happier, allowing them to exhibit their natural behaviour and hopefully reproduce. See more about different biotopes here


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