Golden Topminnow tank mates
Fundulus chrysotus
5 rated pairings from the Golden Topminnow care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Golden Topminnow needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.Pineapple Platy
Xiphophorus maculatus
10 gal min · 2.5" adult · Peaceful
Similar size and peaceful temperament, compatible water parameters

Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful community fish with overlapping water requirements

Pygmy Corydoras
Corydoras pygmaeus
10 gal min · 1" adult · Peaceful
Bottom dweller that won't compete for surface food, peaceful

Mosquitofish
Gambusia affinis
10 gal min · 2.5" adult · Semi-aggressive
Closely related species with identical care requirements and temperament
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.
