Species Comparison
Australian Rainbowfish vs Cardinal Tetra
Verdict:Compatible
Side-by-side specs
Rainbowfish
Family
Tetras
4″
Adult size
2″
40gal
Min tank
20gal
72–80°F
Temperature
73–81°F
6.5–8
pH
4.5–7
peaceful
Temperament
peaceful
6+
Schooling
6+
mid
Water level
mid