Red Leg Hermit Crab tank mates
Clibanarius digueti
5 rated pairings from the Red Leg Hermit Crab care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Red Leg Hermit Crab needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Ocellaris Clownfish
Amphiprion ocellaris
20 gal min · 3.5" adult · Semi-aggressive
Peaceful fish that ignores hermit crabs; both thrive in reef environments
Nassarius Snail
Nassarius sp.
10 gal min · 1.5" adult · Peaceful
Complementary cleanup crew member; occupies different niches in the tank
Royal Gramma
Gramma loreto
30 gal min · 3" adult · Semi-aggressive
Peaceful reef fish that poses no threat to hermit crabs
Good matches
2 · 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.