Eumida arctica (Annenkova, 1946)

Synonyms:
Eulalia arctica Annenkova, 1946
Eulalia minuta Ditlevsen, 1917 non Grube, 1860
Eumida arctica Eibye-Jacobsen, 1991

Distinguishing characteristics
Body small.
Median antenna present.
4 pairs of tentacular cirri.

Species description
Body small, posteriorly tapered. Prostomium oval. Median antenna slightly longer than paired ones, situated in the middle of the prostomium. Longest tentacular cirri reaching about segment 6. Ventral tentacular cirri short, flattened, distally pointed. Dorsal cirri of median segments oval, thick, longer than broad. Ventral cirri similar but smaller. Pygidial cirri oval, 1.5 times as long as broad.

Size
Up to 5.5 mm for 34 segments.

Color
Living animals yellowish brown with white pigment present dorsally on segments 2 and 3. Each segment with three dark green spots dorsally. In alcohol yellowish-brown.

Habitat
On sandy mud, among seaweeds. Intertidal to at least several hundred meters.

Mobility
Mobile.

Feeding
Omnivore, predator, scavenger.

Life cycle

Distribution
Arctic, northeast Atlantic, northern Öresund.