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Compatibility

Compatibility brief

Can Neon Tetra live with Platy?

VerdictCAUTION

Caution. Check the issues below before buying.

Neon Tetra + Platy: Caution advised. Temperaments match; chemistry does not. Platys push hard alkaline water; neons prefer softer, nearer-neutral to acidic. Mid-range tanks keep both alive short-term and neither looking sharp long-term. Pick one water goal. Outcomes still depend on your tank shape, maintenance routine, and individual fish.

Compatibility score

72/100

Profile confidence: medium

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

Min tank

60L

Combined minimum footprint reference for these two species: about 60L (larger active fish often want more length).

Temperature
Range in °C2026°C shared
Neon TetraPlatyShared window
pH
Range77 shared
Neon TetraPlatyShared window

Assessment details

  1. Caution advised

    Top issue

    Temperaments match; chemistry does not. Platys push hard alkaline water; neons prefer softer, nearer-neutral to acidic. Mid-range tanks keep both alive short-term and neither looking sharp long-term. Pick one water goal.

  2. Compatible temperaments

    Both Neon Tetra and Platy share a peaceful temperament.

  3. Compatible temperature range

    Both fish can comfortably share similar water temperatures.

  4. Narrow pH overlap

    These fish can share water but their ideal pH ranges overlap only slightly. Aim to keep pH stable in the shared range.

Temperaments match; chemistry does not

Caution advised

Next steps

Concrete changes, not "research more" filler.

  • Neon Tetra should be kept in a group of at least 6 for best health and behaviour.
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 Neon Tetra + Platy

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.

Neon Tetra + Platy — common questions

Can Neon Tetra live with Platy?
Yes, if you plan for it. The verdict is CAUTION, which means the pairing works when specific conditions are met, not by default. The first condition: Neon Tetra should be kept in a group of at least 6 for best health and behaviour.
What tank size do you need for Neon Tetra and Platy together?
Plan around 60 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.
What's the main risk?
Narrow pH overlap. That is the first thing to plan around. The matching entry under assessment details on this page explains the reasoning and the numbers behind it.