Species Comparison
Clown Killifish vs Molly
Verdict:Not compatible
Side-by-side specs
Killifish
Family
Livebearers
1.5″
Adult size
4″
5gal
Min tank
20gal
73–82°F
Temperature
72–82°F
6–7
pH
7.5–8.5
peaceful
Temperament
peaceful
6+
Schooling
3+
top
Water level
mid
Compatibility notes
- warnClown Killifish prefers pH 6–7, Molly prefers 7.5–8.5 — water chemistry mismatch.
- criticalMolly grows large enough (4") to eat Clown Killifish (1.5").