Variable Risso
Rissoa variabilis
- Group: Other
- Typical depth: 0–50 m
- For divers: safe
A tiny snail that clings to seagrass blades in the shallows, it scrapes a living from the film of microscopic algae coating the leaves. It even persists in Posidonia meadows where the water turns unusually acidic.
Taxonomy: Animalia › Mollusca › Gastropoda › Littorinimorpha › Rissoidae › Rissoa
Species data via the World Register of Marine Species (WoRMS), AphiaID 141372.
FAQ
- How deep does the Variable Risso live?
- The Variable Risso (Rissoa variabilis) is typically found at 0–50 m.
- Is the Variable Risso dangerous to divers?
- The Variable Risso is harmless to divers.