Cobra Guppy tank mates
Poecilia reticulata
5 rated pairings from the Cobra Guppy care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Cobra 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 aggression toward guppies
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size and temperament; both prefer warm water and peaceful community environments
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Harmless algae-eating snails that help maintain water quality without competing with guppies
Good matches
2 · Compatible with normal care — watch space and numbers.Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful gourami species that coexist well with guppies in planted tanks
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Small shrimp that occupy different ecological niches; provide hiding spots to protect shrimplets
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.