Peppered Corydoras tank mates
Corydoras paleatus
6 rated pairings from the Peppered Corydoras care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Peppered Corydoras needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar water parameters, peaceful mid-water swimmers that don't compete for bottom space

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

Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful schooling fish with compatible water parameters and non-aggressive behavior
Good matches
3 · Compatible with normal care — watch space and numbers.Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful mid-water dweller with overlapping temperature and pH ranges

Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Small shrimp that occupy similar ecological niche without competing; avoid very large corydoras

Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Nocturnal bottom-dweller with similar temperature needs; may compete for algae wafers
Also recommended alongside Peppered Corydoras
Species whose own guides list Peppered Corydoras as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.