Concolor Corydoras tank mates
Corydoras concolor
6 rated pairings from the Concolor Corydoras care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Concolor Corydoras needs at least 15 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; occupy mid-water column without competing for bottom space

Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Compatible bottom dweller with identical water requirements and peaceful behavior

Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Peaceful schooling fish with matching pH and temperature preferences

Nerite Snail
Neritina natalensis
5 gal min · 1" adult · Peaceful
Algae-eating snail with no competition for food or space
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.
