Swamp Dwarf Crayfish tank mates
Cambarellus puer
6 rated pairings from the Swamp Dwarf Crayfish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Swamp Dwarf Crayfish needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
5 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small, peaceful algae eaters with similar water parameters and bottom-dwelling habits; no predatory threat to crayfish
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Tiny, peaceful fish that occupy mid-water column and avoid crayfish; thrive in cool, planted tanks
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful detritivores that share the same ecological niche; no conflict with crayfish
Java Moss
Taxiphyllum barbieri
Provides essential hiding spots, foraging surfaces, and shelter that crayfish require; improves water quality
Anubias Nana
Anubias barteri var. nana
Hardy, low-light plant that creates habitat structure; crayfish will not uproot or destroy it
Good matches
1 · Compatible with normal care — watch space and numbers.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.