Can a Keyhole Limpet Snail Live With a Royal Gramma?
✗ Not recommended in most tanksVerdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 0/100.
Why
- Reef safety hard block: Not reef-safe — Keyhole Limpet Snail will damage coral/inverts
- Fully compatible — Royal Gramma is a good fit for this tank
It can work if…
- Reef safety concern — relocate or rehome before adding to a reef tank
Both species at a glance
Keyhole Limpet Snail
Megathura crenulata
- Aggression:
- peaceful
- Min tank:
- 0 gallons
- Reef safe:
- unsafe
- Diet:
- herbivore