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Cardinal tetra - Paracheirodon axelrodi
Scientific name: Paracheirodon axelrodi
Common name: Cardinal tetra
Usual size in fish tanks: 4 - 5 cm (1.57 - 1.97 inch)
Recommended pH range for the species: 4.5 - 7
Recommended water hardness (dGH): 0 - 8°N (0 - 142.86ppm)
0°C 32°F30°C 86°F
Recommended temperature: 23 - 29 °C (73.4 - 84.2°F)
The way how these fish reproduce: Spawning
Where the species comes from: South America
Temperament to its own species: peaceful
Temperament toward other fish species: peaceful
Usual place in the tank: Bottom levels
This omnivore will accept a variety of different foods. Cardinal tetras should be fed Microwoms and brine shrimp in addition to algae and flakes for a well balanced diet.
Sexually mature females are plumper and longer than males.
The Cardinal tetra will find a very dark and shady area to spawn because the eggs are very sensitive to light. Side by side, the male and female will release eggs and sperm. The eggs will hatch within 3 days and the fry should be kept out of light for at least another 7 days.
This species is known to live for just one year in the wild but can live up to 3 years in captivity.
Paracheirodon axelrodi originates in South America in the Orinoco and Negro Rivers.
This tetra is named after the cardinal bird because of its similarity in coloration. Another name for this fish is the Red Neon Tetra.