Cardinal Tetra

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Paracheirodon axelrodi

Vibrant blue stripe under which bright red runs the entire length of the lower half of the body

Growth Size
2" | 5 cm

Minimum Tank Size
10 Gal. | 38 L

Care Level

Omnivore; quality flake food, micro pellets, bloodworms, brine shrimp, and tubifex


Cardinal Tetras should be housed in groups of at least six individuals and does well in community tanks with other peaceful fish. They require a well-planted aquarium with plenty of areas with lower light levels. Water parameters should be kept around a pH of 5-6 and the water softness around 1-2 dH. 

* Sizes vary, please contact for details.

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Into the Blue signifies a passion for education and sustainability. We believe providing environmentally friendly alternatives to purchasing wild stock in the hopes of helping our industry and revolutionizing aquaculture.

Our Suppliers

As part of our commitment to quality, Into the Blue fish undergo vigorous screening by qualified marine specialists to ensure only the healthiest species are delivered to our customers. Fish are treated in premium grade facilities for internal and external parasites, including flukes, lice, nematodes, cryptocaryon, brooklynella hostiles, velvet disease, hole in the head and more. This helps ensure the best success rate in your aquarium environments. Less stress on the fish, the environment, and on you!