Fancy Guppy tank mates
Poecilia reticulata
6 rated pairings from the Fancy Guppy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Fancy Guppy needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size, peaceful temperament, and identical water parameter requirements make them ideal community companions
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eaters that occupy the bottom zone and won't compete with or harass guppies
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful invertebrates that help control algae and detritus without threatening fry or adults
Corydoras Duplicareus
Corydoras duplicareus
15 gal min · 2.2" adult · Peaceful
Bottom-dwelling catfish that clean substrate without competing for food or space with guppies
Good matches
2 · Compatible with normal care — watch space and numbers.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Compatible water parameters and peaceful nature, though slightly smaller and may be nipped by aggressive male guppies
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful and similar water requirements, though males can be territorial; provide adequate space and hiding spots
Also recommended alongside Fancy Guppy
Species whose own guides list Fancy Guppy as a tank mate.
Najas Guadalupensis
Najas guadalupensis
Asian Watermoss
Salvinia cucullata
Mosaic Guppy
Poecilia reticulata
10 gal min · 2" adult · Peaceful
Orange Swordtail
Xiphophorus hellerii
20 gal min · 4.5" adult · Peaceful
Snakeskin Guppy
Poecilia reticulata
10 gal min · 2" adult · Peaceful
White Molly
Poecilia sphenops
15 gal min · 3" adult · Peaceful
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.