Mosaic Guppy tank mates
Poecilia reticulata
6 rated pairings from the Mosaic Guppy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Mosaic Guppy needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
5 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eaters that occupy bottom zones and ignore guppies
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size and temperament; occupy different water columns
Corydoras Duplicareus
Corydoras duplicareus
15 gal min · 2.2" adult · Peaceful
Gentle bottom dwellers that don't compete with guppies
Gold Mystery Snail
Pomacea bridgesii
5 gal min · 2" adult · Peaceful
Peaceful, nocturnal; won't compete for food or space
Fancy Guppy
Poecilia reticulata
10 gal min · 2" adult · Peaceful
Same species; compatible for mixed-strain display tanks
Good matches
1 · Compatible with normal care — watch space and numbers.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.