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Emplectonema gracile

The Green Nemertean

Phylum Nemertea
Class Enopla
Order Hoplonemertea
Suborder Monostilifera
Family Emplectonematidae
Genus Emplectonema
Species gracile

Description: 2 mm wide; about 20 or 50 cm in length; dark to olive green above and whitish or yellowish below; very thin.

Habitat: Found in groups of mussels, among seaweeds and under rocks in muddy locations, on docks ingroups of mussels.

Natural History: Often occur in great masses. When coming in contact with itŐs prey of barnacles or small limpets the green nemertean extends it proboscis and stuns the victim with a toxin injected by the stylet.. We found many of these nemerteans nestled in mussles anywhere from East Bay to Boston Harbor. They can be found throughout the Puget Sound.