About Eubranchus rustyus (Er.Marcus, 1961)
Eubranchus rustyus, commonly called the homely aeolid, is a species of sea slug nudibranch. It is a marine gastropod mollusc that belongs to the family Eubranchidae. This species was first described from Monterey Bay, California, at coordinates 36°36′20″N 121°53′04″W. Most authors currently classify Eubranchus rustyus as a synonym of Eubranchus occidentalis.