They do not do well with the stress of shipping or fluctuating temperatures inside the shipping bag. Cardinal tetras are difficult to find online. This is relatively inexpensive and easy to accomplish. This can cost you between $10 to $25 for a group.

Due to their schooling nature, you must purchase a minimum of 10 Cardinal tetras to create a small school. These fish can cost anywhere between $1 to $2 per fish. They are found in large chain pet stores and small locally owned fish stores. Image Credit: Joan Carles Juarez, Shutterstock How Much Do Cardinal Tetras Cost?Ĭardinal tetras are inexpensive. Care should be taken when creating their environment and all requirements should be taken into consideration. An illness can rapidly wipe out an entire school of Cardinal tetras and wreak havoc within the tank. Ich, fungus and bacterial infections are commonly seen in recently purchased tetras and those housed in poor conditions. Cardinal tetras are susceptible to developing illnesses from stress and an incorrect temperature that is either too low or fluctuates daily. If they are kept in small groups under 5, they can become aggressive amongst each other and fin nip slow-moving fish that have flowing fins. They do require a large yet sheltered open space to swim within. These fish should be kept in groups of more than 10 because they require a tropical and heavily planted tank set up. They are easy to incorporate into tropical aquariums over 20 gallons. If Cardinal tetras are housed in appropriate conditions, they can live up to 5 years. They enjoy a variety of conditions ensuring their basic requirements are met. This makes them popular for novice aquarists. These fish can comfortably live in a variety of conditions. Cardinal tetras are active and can be housed in a community tank. Although the South American continent is home to many Tetra species, and some are found in Africa or Central American. They are native to the Negro and Orinico Rivers in South America. Cardinal tetras are gaining popularity for their beauty and availability. Cardinal tetras are freshwater tropical fish from the family of Characidae.