- Common Name(s)
- Cardinal tetra
- Scientific Name
- Paracheirodon axelrodi
- Upper Orinoco and Negro rivers in South America
- Maximum Size
- 2 inches
- Minimum Tank Size
- 15/20 gallon with minimum base dimensions of 24 x 12
- Tank Setup
- Nothing in particular
- Tank Region
- With other temp-compatible community fish
- Ease of Keeping
- pH: Doesn't matter; Temperature: 74-85 Fahrenheit
Females get larger than males, and are more rounder-bodied.
They can live up to 5 years.
They are schooling fish, so need to be kept in groups of 6+ of their own species.