Rainbow Platy tank mates
Xiphophorus maculatus
4 rated pairings from the Rainbow Platy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Rainbow Platy needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Guppy
Poecilia reticulata
10 gal min · 2" adult · Peaceful
Similar size, peaceful temperament, and identical water parameter tolerance make them ideal companions
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, non-aggressive schooling fish that thrive in the same warm freshwater conditions
Good matches
2 · Compatible with normal care — watch space and numbers.
Gold Mystery Snail
Pomacea bridgesii
5 gal min · 2" adult · Peaceful
Algae-eating snail that helps maintain tank cleanliness without competing for food or space
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful mid-water dweller with similar temperature and water chemistry needs
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.