Green Corydoras tank mates
Corydoras aeneus
6 rated pairings from the Green Corydoras care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Green 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 different water zones
Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Compatible water requirements and non-aggressive schooling behavior
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom dweller with identical care needs; synergistic algae control
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Peaceful invertebrate that shares bottom habitat without aggression
Good matches
2 · Compatible with normal care — watch space and numbers.Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful mid-water dweller; ensure adequate space and hiding spots
Bolivian Ram
Mikrogeophagus altispinosus
20 gal min · 3.5" adult · Peaceful
Gentle cichlid with overlapping temperature range; may occasionally compete for food
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.