Ricefish tank mates
Oryzias woworae
6 rated pairings from the Ricefish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Ricefish needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.
Endler's Livebearer
Poecilia wingei
10 gal min · 1.5" adult · Peaceful
Similar size, peaceful temperament, and compatible water parameters make them ideal companions
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Tiny, peaceful, and prefer similar warm water conditions; excellent community fish
Dwarf Hairgrass
Eleocharis parvula
Live plant that provides spawning substrate and natural habitat structure for ricefish
Chili Rasbora
Boraras brigittae
5 gal min · 0.8" adult · Peaceful
Tiny, peaceful, and thrive in similar conditions; excellent nano community option
Good matches
2 · Compatible with normal care — watch space and numbers.
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Peaceful invertebrates that occupy different water zones; ricefish may occasionally eat shrimplets
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Larger shrimp less likely to be predated upon; helps maintain tank cleanliness
Also recommended alongside Ricefish
Species whose own guides list Ricefish as a tank mate.
Sulawesi Cardinal Shrimp
Caridina dennerli
10 gal min · 1" adult · Peaceful
Dojo Loach
Misgurnus anguillicaudatus
30 gal min · 6" adult · Peaceful
Dwarf Mexican Brown Crayfish
Cambarellus montezumae
10 gal min · 1.6" adult · Peaceful
Empire Gudgeon
Hypseleotris compressa
20 gal min · 4" adult · Peaceful
Fontinalis Antipyretica
Fontinalis antipyretica
Gold Medaka
Oryzias latipes
10 gal min · 1.5" adult · Peaceful
Hikari Medaka
Oryzias latipes
10 gal min · 1.5" adult · Peaceful
White Medaka
Oryzias latipes
10 gal min · 1.5" adult · Peaceful
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.