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Compatibility

Compatibility brief

Can Molly live with Platy?

Molly

Molly

Poecilia sphenops

peaceful~10cm
Platy

Platy

Xiphophorus maculatus

peaceful~6cm
VerdictGOOD

Often a workable match in a suitable, well-run tank. Still verify behaviour in your setup.

In many setups, Molly and Platy are often kept together in a suitable peaceful community when temperature and pH are matched and the tank is sized for adults. Individual behaviour, filtration, and layout still decide whether it works in your home.

Compatibility score

100/100

Profile confidence: high

Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.

Min tank

80L

Combined minimum footprint reference for these two species: about 80L (larger active fish often want more length).

Temperature
Range in °C24–28°C shared
MollyPlatyShared window
pH
Range7.5–8 shared
MollyPlatyShared window

Assessment details

  1. Compatible temperaments

    Both Molly and Platy share a peaceful temperament.

  2. Compatible temperature range

    Both fish can comfortably share similar water temperatures.

Sources from both profiles
Only URLs that exist on the species records are shown. We do not fabricate citations.

Try this next

Build the full stocking list with Molly + Platy

Compare another pairOpen tank builder

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.

Full tank-mate guides

Related pair checks

Molly + Platy — common questions

Can Molly live with Platy?
Usually, yes. The pairing resolves GOOD in Fishori's checks for a tank of about 80 litres or more with the shared water windows shown on this page. Individual fish still vary, so watch the first weeks closely.
What tank size do you need for Molly and Platy together?
Plan around 80 litres as the working minimum. That figure comes from each species' published minimum and their group needs, and it assumes adult sizes, not shop sizes.