Blue Platy tank mates
Xiphophorus maculatus
4 rated pairings from the Blue Platy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Blue 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 requirements make them ideal companions
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful algae eater that won't compete for food and helps maintain tank cleanliness
Good matches
2 · Compatible with normal care — watch space and numbers.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful schooling fish that occupy different water zones; prefers slightly softer water but tolerates platy conditions
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful and similarly sized; may occasionally chase platys but rarely causes harm in adequately sized tanks
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.