Cuban Rivulus tank mates
Rivulus cylindraceus
5 rated pairings from the Cuban Rivulus care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Cuban Rivulus needs at least 5 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Good matches
3 · Compatible with normal care — watch space and numbers.Endler Guppy
Poecilia wingei × Poecilia reticulata
5 gal min · 1.5" adult · Peaceful
Small, peaceful livebearers that occupy similar ecological niches
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small schooling fish that won't compete aggressively for resources
Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Larger shrimp that won't be preyed upon; excellent algae control
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.