Horseman Corydoras tank mates
Corydoras eques
6 rated pairings from the Horseman Corydoras care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Horseman Corydoras needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar water parameters and peaceful temperament
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, peaceful mid-water swimmer that won't compete for bottom space
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Fellow bottom dweller with compatible care requirements
Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful schooling fish with matching water parameter needs
Good matches
2 · 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.