Julii Corydoras tank mates
Corydoras julii
6 rated pairings from the Julii Corydoras care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Julii Corydoras needs at least 15 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 and peaceful temperament; occupy different water zones
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Both are bottom-dwellers with compatible water needs; non-competitive
Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful schooling fish with matching water requirements and temperament
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; prefers slightly warmer temps but overlap is acceptable
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Compatible water parameters; corydoras may occasionally consume shrimplets
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Both are bottom-dwellers; ensure adequate space and hiding spots for both
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.