Eyes Under Puget Sound’s Critter of the Month
Slug of the sea
The pen is NOT mightier than the slug
|Striped nudibranchs swarm and consume an orange sea pen until|
only the white skeletal rod remains (visible in upper right corner).
Photo by Neil McDaniel.*
|This lateral (side) view
shows the groove on the right side of |
the animal, with the anus to the left (posterior) and the gonopore
(reproductive opening) to the right (anterior). Image courtesy of
Dave Cowles, wallawalla.edu.