Species Comparison
Cardinal Tetra vs Three-Spot Gourami
Verdict:Compatible
Side-by-side specs
Tetras
Family
Anabantoids
2″
Adult size
6″
20gal
Min tank
30gal
73–81°F
Temperature
72–82°F
4.5–7
pH
6–8
peaceful
Temperament
semi-aggressive
6+
Schooling
Solitary
mid
Water level
top