Harlequin Shrimp (Sulawesi) tank mates
Caridina woltereckae
6 rated pairings from the Harlequin Shrimp (Sulawesi) care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Harlequin Shrimp (Sulawesi) needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.Good matches
3 · Compatible with normal care — watch space and numbers.
Honey Gourami
Trichogaster chuna
10 gal min · 2" adult · Peaceful
Small, peaceful fish that won't predate on shrimp; requires same warm water

Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eater that shares similar water requirements and won't harm shrimp

Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, non-aggressive fish compatible with warm water parameters
Use caution
1 · Works in the right setup; read the note before combining.Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.
