Baseodiscus princeps (Coe, 1901)
|Baseodiscus princeps from March Point, Padilla Bay, WA|
|(Photo by: Dave Cowles, July 2007)|
How to Distinguish from Similar Species: Tubulanus polymorphus is also uniformly orange or reddish but it has no eyespots nor anteroventral grooves. The description of this species sounds very much like that of B. punnetti from farther south.
History: The animal
is able to contract its body in such a way as to form annular regular
along the body (photo).
It can contract its head entirely into its trunk.
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General Notes and Observations: Locations, abundances, unusual behaviors:
The head is lighter dorsally than is the rest of the dorsum, and has a line of dark eyespots around the border.
The underside is lighter than the dorsum, as seen in this view of an upraised head.
The animal can constrict its muscles to form annular constrictions.