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Littorina sitkana (Sitka periwinkle)
Copyright ©
2005 Mary Jo Adams
Littorina
sitkana is the larger and chubbier of the two periwinkle species.
It still doesn't get very big, only about ¾ of an inch high
and the shell is almost as wide as it is high. The spire (the pointed
end of the shell) can also be described as "squat". Less
streamlined than L. scutulata, Littorina sitkana
prefers quieter waters. If you have sharp eyes, you may sometimes
find spiral sculpturing on the shell of Littorina sitkana.
Its color varies from brown or black to yellow or orange and it
sometimes has stripes.
This page was created by Mary Jo Adams on 10/29/05.
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