![]() The pH of your aquarium should range between 6.5 and 7.5. Due to their size and peaceful nature, the fish prefers shaded and sheltered environments. Habitat & Tank ConditionĬardinals in the wild are generally found in blackwater or clearwater streams, which are heavily planted with a stony floor ground. Mature Cardinals will generally be 2-3 centimeters in size, (.80 to 1.20 inches). In the case of female Cardinals, they are generally larger and rounder than males when they reach sexual maturity. ![]() ![]() However, they are remarkably similar are fishkeepers oftentimes confuse them.Ĭardinals depict sexual dimorphism, which means that males and females will have different appearances. Neon tetras are generally smaller and not as colorful as cardinals. The appearance of the Cardinal tetra is similar to the Neon tetra, which is are also very common in the hobby. The dorsal, pectoral, pelvic fin and anal fin of the cardinal tetras are generally transparent.Ĭardinals are schooling fish and as such, provide a beautiful sight as they swim across the aquarium in unison. Its most distinguishable features are its iridescent blue and brilliant red lines on the ventral parts. The cardinal tetra is brilliantly colorful. Axelrod, who was the author and publisher of numerous pet care books.Ĭardinal tetras are also known as the Red Neon tetra. Axelrodi refers to the family name of author Herbert R. Para in Greek stands for “related to” and Cheirodon refers to a genus different from that of the Cardinal. The scientific name of Cardinal tetras is Paracheirodon axelrodi. As one of the most popular fish in the fishkeeping hobby, they are widely available in most local fish stores.Ĭardinal tetras live relatively long lives, generally between 2 to 4 years. Moreover, Cardinal tetra care is relatively simple and accessible to even the newest to the hobby.Ĭardinals are endemic to soft tropical freshwater habitats in Brazil, Venezuela, and Columbia. In a school, the Cardinals with iridescent horizontal stripes, provide a breathtaking spectacle that can vitalize any aquarium. The Cardinal tetra is a beautiful addition to a planted aquarium. ![]()
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