Swamp Guppy tank mates
Micropoecilia picta
6 rated pairings from the Swamp Guppy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Swamp Guppy needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.
Endler's Livebearer
Poecilia wingei
10 gal min · 1.5" adult · Peaceful
Similar size, water requirements, and peaceful temperament; compatible breeding group potential

Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Algae-eating bottom dweller that won't compete for food or harass delicate guppies

Dwarf Hairgrass
Eleocharis parvula
Foreground plant providing shelter and security for nervous fish without competing for space

Anubias Nana
Anubias barteri var. nana
Low-light plant offering hiding spots and security without requiring high maintenance
Good matches
2 · Compatible with normal care — watch space and numbers.
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, peaceful schooling fish with similar water temperature and pH preferences

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Peaceful invertebrate that shares soft water preferences; minimal predation risk with adult guppies
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.