Compatibility brief
Can Molly live with Sailfin Molly?
Often a workable match in a suitable, well-run tank. Still verify behaviour in your setup.
Compatibility score
Profile confidence: high
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
120L
Combined minimum footprint reference for these two species: about 120L (larger active fish often want more length).
Assessment details
Compatible temperaments
Both Molly and Sailfin Molly share a peaceful temperament.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
- Seriously Fish. Poecilia sphenops
Supports: aquarium size, water chemistry, temperament and compatibility (primary care reference).
- FishBase. Poecilia sphenops
Supports: taxonomy and wild maximum size — translate to tank stocking, not a target number.
- Wikipedia. Poecilia sphenops
Supports: general species background and common-name orientation only.
- Seriously Fish. Poecilia latipinna
Supports: aquarium size, water chemistry, temperament and compatibility (primary care reference).
- FishBase. Poecilia latipinna
Supports: taxonomy and wild maximum size — translate to tank stocking, not a target number.
- Wikipedia. Poecilia latipinna
Supports: general species background and common-name orientation only.
Try this next
Build the full stocking list with Molly + Sailfin Molly
Plan further
Check each species’ mates list, size the glass, then verify the full stock in the builder. Methodology explains how verdicts are produced.
Individual fish vary in personality. Fishori uses conservative hobby rules. Observe any new introduction closely, feed thoughtfully, and keep a quarantine or backup plan. This is not veterinary advice.
Profile data confidence: high. Checked against several solid care sources that mostly agree.