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Compatibility

Compatibility brief

Can Angelfish live with Platy?

Angelfish

Angelfish

Pterophyllum scalare

semi-aggressive~20cm
Platy

Platy

Xiphophorus maculatus

peaceful~6cm
VerdictCAUTION

Caution. Check the issues below before buying.

Angelfish + Platy: Caution advised. Platys are peaceful surface-to-mid fish that do fine chemically with many community tanks, but adult angels treat them as slow neighbours and occasional snacks once gape catches up. Keep platys with quieter tank mates unless the angels stayed small. 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

150L

Combined minimum footprint reference for these two species: about 150L (larger active fish often want more length).

Temperature
Range in °C24–28°C shared
AngelfishPlatyShared window
pH
Range7–7.5 shared
AngelfishPlatyShared window
Size / predation

Angelfish (20cm adult) may treat small Platy (~6cm) as food once grown — plan adult sizes, not shop sizes.

Temperament / behaviour

Platies are peaceful surface-to-mid fish that often ignore angels, but adult angels may bully them when a pair claims a corner, and larger angels may occasionally snack once the mouth gap catches up. Harder livebearer water versus softer angel preferences adds a second planning problem. The combination works for some keepers in large planted tanks and fails through stress or predation rather than a single obvious rule.

Assessment details

  1. Caution advised

    Top issue

    Platys are peaceful surface-to-mid fish that do fine chemically with many community tanks, but adult angels treat them as slow neighbours and occasional snacks once gape catches up. Keep platys with quieter tank mates unless the angels stayed small.

  2. Temperament difference

    Angelfish is semi-aggressive, while Platy is peaceful. Expect chasing or stress unless the tank is large and heavily structured — monitor closely.

  3. Compatible temperature range

    Both fish can comfortably share similar water temperatures.

“Caution advised”

Caution advised

Next steps

Concrete changes, not "research more" filler.

  • •Use a large planted tank, watch territory and gape as angels grow, and keep water in a compromise band. Rehome platies at the first persistent chasing or missing fish.
  • •Provide plenty of hiding spots and visual breaks so Platy can escape if harassed.
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 Angelfish + 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

Angelfish + Platy — common questions

Can Angelfish live with Platy?
Yes, if you plan for it. The verdict is CAUTION: platies are peaceful, but adult angels can bully or occasionally eat them, and water chemistry still needs a stable compromise. It is not a drop-in community default.
What tank size do you need for Angelfish and Platy together?
Plan around 150 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?
Temperament difference. 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.
What should you check before buying?
Provide plenty of hiding spots and visual breaks so Platy can escape if harassed.