Kelp Snail (Norrisia norrisii)
Contributed by TPERP Dan Wieder
Where to find them: Primarily from Monterey to Baja California in the low intertidal and shallow subtidal zones.
What do they eat: Kelp and algae
Who eats them: Otters, sea stars, spiny lobsters and octopus.
Adaptations: The shell is smooth, normally brown having a turban shape. The fleshy foot is a bright reddish orange with black specks.
Reproduction: Little is known about the reproduction of these snails.
What’s their life like: They are found in the lower intertidal zone grazing on kelp an algae.
Interesting facts: When fleeing a predator, it can detach itself and roll or fall away. Empty shells are often occupied by hermit crabs.
Scientific Name: Norrisia norrisii
Common Name(s): Norris’ Top Snail, Kelp Snail,
Source(s) of Information:
Last revised 13-Jan-18