Spike-tailed Paradise Fish tank mates
Pseudosphromenus cupanus
6 rated pairings from the Spike-tailed Paradise Fish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Spike-tailed Paradise Fish needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Chili Rasbora
Boraras brigittae
5 gal min · 0.8" adult · Peaceful
Tiny, peaceful schooling fish that won't compete or harass

Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, peaceful, and shares similar soft water preferences

Mystery Snail
Pomacea bridgesii
5 gal min · 2" adult · Peaceful
Harmless tank cleaner that poses no threat to this species
Good matches
3 · Compatible with normal care — watch space and numbers.
Sparkling Gourami
Trichopsis pumila
10 gal min · 1.5" adult · Peaceful
Similar size and temperament; both prefer densely planted, calm tanks

Kuhli Loach
Pangio kuhlii
20 gal min · 4" adult · Peaceful
Bottom-dwelling and peaceful, occupies a different zone

Pygmy Corydoras
Corydoras pygmaeus
10 gal min · 1" adult · Peaceful
Peaceful bottom dweller that complements this species well
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.