Species Comparison
Male Betta vs Cardinal Tetra
Verdict:Compatible
Side-by-side specs
Anabantoids
Family
Tetras
2.5″
Adult size
2″
5gal
Min tank
20gal
76–82°F
Temperature
73–81°F
6.5–7.5
pH
4.5–7
semi-aggressive
Temperament
peaceful
Solitary
Schooling
6+
top
Water level
mid