Species Comparison
Cardinal Tetra vs Pearl Danio
Verdict:Compatible
Side-by-side specs
Tetras
Family
Danios
2″
Adult size
2.5″
20gal
Min tank
20gal
73–81°F
Temperature
68–78°F
4.5–7
pH
6–8
peaceful
Temperament
peaceful
6+
Schooling
6+
mid
Water level
top