Species Comparison
Cardinal Tetra vs Pictus Catfish
Verdict:Compatible
Side-by-side specs
Tetras
Family
Catfish
2″
Adult size
5″
20gal
Min tank
55gal
73–81°F
Temperature
72–78°F
4.5–7
pH
6.5–7.5
peaceful
Temperament
semi-aggressive
6+
Schooling
Solitary
mid
Water level
bottom