Red-Striped Killifish tank mates
Aphyosemion striatum
6 rated pairings from the Red-Striped Killifish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Red-Striped Killifish needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Least Rasbora
Boraras urophthalmoides
5 gal min · 0.8" adult · Peaceful
Comparable size and peaceful nature, ideal nano tank companion
Java Moss
Taxiphyllum barbieri
Provides essential cover and spawning substrate for breeding killifish
Anubias Nana
Anubias barteri var. nana
Hardy plant that creates shelter and doesn't require high lighting
Good matches
3 · Compatible with normal care — watch space and numbers.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size and peaceful temperament, though killifish may occasionally nip at very small fish
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, peaceful community fish that share similar water parameter preferences
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Larger shrimp that won't be predated upon; helps maintain tank cleanliness
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.