Moscow Blue Guppy tank mates
Poecilia reticulata
5 rated pairings from the Moscow Blue Guppy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Moscow Blue Guppy needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eaters that occupy different water zones and have no interaction with guppies

Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size, peaceful temperament, and compatible water parameters; schooling behavior complements guppy activity

Anubias Nana
Anubias barteri var. nana
Hardy plant that provides shelter for fry and doesn't require special care; guppies won't uproot it
Good matches
2 · Compatible with normal care — watch space and numbers.Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful and similar size; monitor for territorial behavior during breeding season

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Peaceful invertebrates that occupy different ecological niches; adult shrimp are generally safe but fry may be predated upon
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.