Dwarf Mexican Brown Crayfish tank mates
Cambarellus montezumae
5 rated pairings from the Dwarf Mexican Brown Crayfish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Dwarf Mexican Brown Crayfish needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
1 · Same water, complementary zones, no conflict.
Good matches
3 · Compatible with normal care — watch space and numbers.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Small, fast-moving fish that avoid the crayfish; prefer similar cool water temperatures
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful invertebrate that shares the bottom zone; crayfish rarely predate on healthy snails
Ricefish
Oryzias woworae
10 gal min · 1.5" adult · Peaceful
Small, hardy fish that tolerate cool water and occupy mid-water column away from crayfish
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.