Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Mating behavior in Littorina planaxis
Student Author(s): Gibson, Daniel G. III
Pages: 14
Location: Final Papers Biology 175H
Date: June 1964
Keywords: periwinkle
littorina
Abstract: The habitat of the grey periwinkle, Littorina planaxis Philippi (1847), well above high water on rocky western North American shores, exposes this snail to desiccating sun and wind and high temperatures to a greater degree than most other intertidal organisms (Ricketts and Calvin, 1952). This degree of exposure presents several problems to the process of reproduction. Fertilization is internal, which requires that males must have some means of locating femailes, recognizing them as such, and mating with them. This paper will attempt to explore the mating behavior of Littorina planaxis and explain its method of locating other individuals, differences in the behavior of males and females, and the anatomy and mechanics of copulation.
Notes: Published 1964, Veliger 7:134-139