Species Comparison
Discus vs Forktail Rainbow
Verdict:Possible with care
Side-by-side specs
Cichlids
Family
Rainbowfish
6″
Adult size
2″
75gal
Min tank
15gal
82–88°F
Temperature
73–82°F
5.5–7
pH
7–8
peaceful
Temperament
peaceful
5+
Schooling
6+
mid
Water level
top
Compatibility notes
- warnDiscus and Forktail Rainbow only narrowly overlap in temperature — keep within 82–82°F.