
Fish Species
Cardinal Tetra
Paracheirodon axelrodi
About
The Cardinal Tetra is a small, vibrant freshwater fish renowned for its striking iridescent blue stripe and bright red lower half. It is a peaceful, schooling species, making it a popular choice for community aquariums. Native to the blackwater and clearwater streams of the Amazon Basin, they thrive in soft, acidic water with plenty of vegetation and subdued lighting.
Gallery
Classification
Scientific Name
Paracheirodon axelrodi
Origin Region
South America (Amazon Basin)
Water Type
freshwater
Diet
Omnivore
Care Difficulty
Beginner
Max Size
5 cm | 2.0 in
Water Requirements
Amazon BasinTemperature
24–29°C
pH
5.5–7
GH Hardness
1–8dGH
KH Alkalinity
1–4dKH
Min Tank Size
40L