Tank mates
Best Molly Tank Mates: Compatible Species
Last updated: May 2026
Community snapshot
- Tank sizing baseline: ≥80 L for roomy livebearer gangs
- Temperament cue: Active mid-water grazers
- Water window: 7–8.5 pH tolerated
Mineral-hungry mollies pair best with congeners first—verify pH drift tolerance for soft-water guests.
Compatible species
Fish to avoid
- Bettas — frequent aggression reports
- Ultra-soft blackwater specialists
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