Shoal & Stem

Nassarius tank mates

Nassarius vibex

3 rated pairings from the Nassarius care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Nassarius needs at least 10 gallons on its own; every companion adds to that.

Excellent matches

3 · Same water, complementary zones, no conflict.

Planning this tank?

Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.