Undulate Periwinkle
Littoraria undulata
- Group: Other
- Typical depth: 0–7 m
- Max size: 2 cm
- For divers: safe
- IUCN status: LC
A tiny periwinkle barely 2 centimetres long, the undulate periwinkle clings near the high tide line on rocks and driftwood. Like other periwinkles it grazes a living from the film of algae on hard surfaces, rasping it loose with a tough toothed ribbon called a radula.
Taxonomy: Animalia › Mollusca › Gastropoda › Littorinimorpha › Littorinidae › Littoraria
Species data via the World Register of Marine Species (WoRMS), AphiaID 208934.
FAQ
- How deep does the Undulate Periwinkle live?
- The Undulate Periwinkle (Littoraria undulata) is typically found at 0–7 m.
- Is the Undulate Periwinkle dangerous to divers?
- The Undulate Periwinkle is harmless to divers.
- How big does the Undulate Periwinkle get?
- The Undulate Periwinkle grows to about 2 cm.