Mushroom Coral tank mates
Actinodiscus spp.
5 rated pairings from the Mushroom Coral care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Mushroom Coral needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.Ocellaris Clownfish
Amphiprion ocellaris
20 gal min · 3.5" adult · Semi-aggressive
Hardy fish that tolerate similar water conditions and low-flow environments; minimal aggression toward corals

Nerite Snail
Neritina natalensis
5 gal min · 1" adult · Peaceful
Peaceful grazer that helps control algae without harming corals or disturbing substrate
Good matches
3 · Compatible with normal care — watch space and numbers.Cleaner Shrimp
Lysmata amboinensis
30 gal min · 2.5" adult · Peaceful
Beneficial invertebrate that maintains water quality without damaging coral tissue
Pistol Shrimp
Alpheus randalli
20 gal min · 2" adult · Semi-aggressive
Peaceful invertebrate that occupies different tank zones and maintains low bioload
Neon Goby
Elacatinus oceanops
20 gal min · 2" adult · Peaceful
Small, non-aggressive fish that benefits from symbiotic relationships and requires similar water parameters
Also recommended alongside Mushroom Coral
Species whose own guides list Mushroom Coral as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.