Chinese Hillstream Loach tank mates
Pseudogastromyzon myersi
6 rated pairings from the Chinese Hillstream Loach care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Chinese Hillstream Loach needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
White Cloud Mountain Minnow
Tanichthys albonubes
10 gal min · 1.5" adult · Peaceful
Shares preference for cool, well-oxygenated water and is peaceful and non-competitive

Hillstream Loach
Sewellia lineolata
20 gal min · 2.5" adult · Peaceful
Same habitat requirements and peaceful temperament; ensure adequate space for males
Rosy Loach
Petruichthys sp. rosy
10 gal min · 1.2" adult · Peaceful
Small, peaceful loach with similar cool water and high-flow preferences
Good matches
3 · Compatible with normal care — watch space and numbers.
Zebra Danio
Danio rerio
10 gal min · 2" adult · Peaceful
Active, peaceful fish that tolerate similar cooler temperatures and high flow
Stiphodon Goby
Stiphodon ornatus
15 gal min · 2" adult · Peaceful
Shares hillstream habitat preferences and peaceful nature; both graze biofilm

Cherry Barb
Puntius titteya
15 gal min · 2" adult · Peaceful
Peaceful schooling fish that can tolerate similar water parameters
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.