- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Subclass: Caenogastropoda
- Order: Littorinimorpha
- Superfamily: Littorinoidea
- Family: Littorinidae
- Scientific name: Lacuna vincta
- Norwegian: tarestilksnegl
Characteristics:
The banded chink snail is small, not exceeding 10 x 5 mm. The shell has five whorls. The color is usually light brown with two to four red-brown bands on the last whorl, although it is not unusual that the bands are absent.
The life span of the banded chink shell is no more than a year. It breads from January to early spring. The ring shaped jelly masses of eggs hatch to planktonic larvae.
Habitat:
It is usually seen on algae in the intertidal zone, but has been reported as deep as 40 meters. It tolerates a salinity as low as 20‰.
Distribution:
It is widespread in the northern parts of the Atlantic as well as the Pacific Ocean. It can be found anywhere along the coast of Norway.