Cardinal Tetra - Paracheirodon axelrodi Paracheirodon axelrodi
Cardinal Tetra


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Cardinal Tetra - Paracheirodon axelrodi

Species name: Paracheirodon axelrodi

Synonym: Cheirodon axelrodi

Common name: Cardinal Tetra

Family: Characidae

Order: Characins

Class: Actinopterygii

Maximum size: 5 cm / 2 inches

Environment: Freshwater

Origin: Paracheirodon axelrodi (Cardinal Tetra) is widespread from Brazil to Eastern Colombia.

Temperament: Peaceful

Company: Paracheirodon axelrodi (Cardinal Tetra) is very suitable for community aquariums. Do not keep with angelfish.

Water parameters: Temperature 22-26˚C / 72-79˚F; pH 6.0 – 7.5

Aquarium setup: Paracheirodon axelrodi prefers a densely planted aquarium with dark bottom substrate. Leave some open space in the center of the aquarium. It is recommendable to use floating plants to dim the light. These fishes are sensitive to nitrites and regular water changes are a necessity. Cardinal Tetras should only be kept in schools of ten or more fishes. Paracheirodon axelrodi (Cardinal Tetra) is a very popular fish which unfortunately can be a bit sensitive. Neon tetras are a very similar species that is hardier and a better choice for beginners.

Feeding: Paracheirodon axelrodi eats flake food. However live foods is often required to get them in spawning condition.

Breeding: They are hard to breed and the fry is sensitive. They prefer very soft acidic water. They lay their eggs among fine leaved plants. The breeding pair should be removed as soon as the spawning is completed as they sometimes eat their own egg and fry. (It is possible to breed this species in a permanent breeding aquarium tank.) Each spawning can result in over 500 eggs. The fry is very small and requires very small food.

Paracheirodon axelrodi - Cardinal Tetra picture
Picture of Cardinal Tetra - Paracheirodon axelrodi. Copyright

Cardinal Tetra - Paracheirodon axelrodi picture
Paracheirodon axelrodi - Cardinal Tetra picture. Copyright

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Other Small Tetra Profiles:

Benny Tetra - Creagrutus beni
Black Neon Tetra - Hyphessobrycon herbertaxelrodi
Black Skirt Tetra - Gymnocorymbus ternetzi
Bleeding Heart Tetra - Hyphessobrycon erythrostigma
Hemigrammus bleheri
Blind Cave Fish - Astyanax mexicanus
Bloodfin Tetra - Aphyocharax anisitsi
Buck toothed Tetra - Exodon paradoxus
Buenos Aires Tetra - Hemmigrammus Caudovittatus
Cochus Blue Tetra - Boehlkea fredcochui
Flame Tetra - Hyphessobrycon Flammeus
Glowlight Tetra - Hemigrammus erythrozonus
Jelly Bean Tetra - Ladigesia roloffi
Lesser Bleeding Heart Tetra - Hyphessobrycon socolofi
Marbled Hatchet - Carnegiella strigata strigata
Marbled Hatchet - Carnegiella strigata strigata
Ornate Tetra - Hyphessobrycon bentosi
Neon Tetra - Paracheirodon innesi
Penguin Tetra - Thayeria boehlkei
Pepper tetra - Axelrodia stigmatias
Pretty Tetra - Hemigrammus pulcher
Red Eyed Tetra - Arnoldichthys spilopterus
Rummynose tetra - Hemigrammus rhodostomus
Sabre Toothed Tetra - Hydrolycus scomberoides
Serpea Tetra - Hyphessobrycon Serpae
Silver Tip Tetra - Hasemania nana
Socolofs Tetra - Gymnocorymbus socolofi
Swordtail Characin - Corynopoma riisei
Tail light Tetra - Bryconops melanurus
Tenuise Tetra - Mimagoniates lateralis
Three Spotted Tetra - Odontostilbe kriegi
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Cardinal Tetra - Paracheirodon axelrodi