CARDINAL TETRA – 红宝莲灯

The cardinal tetra is a small freshwater fish of the tetra fish family. Cardinal tetras grow up to two inches and are popular among aquarists because of the fish’s captivating colors and peaceful nature. These fish are active and ideal for community tanks. The cardinal tetra (Paracheirodon axelrodi) is native to the Orinoco and Negro River drainages in South America, which span across Brazil, Colombia, and Venezuela. Cardinal tetras inhabit blackwater creeks and tributaries in the wild. These bodies of water are soft, acidic, and colored black from the tannins of decaying leaves.