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(Sars M., 1829)

Description:
The translucent white body may reach 35 mm in length, with 5-7 evenly spaced ceratal groups. The ceratal apices are covered with superficial white pigment, and the hepatic contents are light brown, maroon or crimson. A constant diagnostic feature is the white dorsal stripe from the pericardium to the metapodial tip.

Habitat:
The usual diet in European waters is the hydroid Tubularia indivisa , in contrast to New England populations, which overwinter on a diet of campanulariid and sertulariid, switching to Hydractinia and Clava in the spring and summer. In the Gullmar Fjord C. verrucosa feeds on the benthic stages of Aurelia aurita.

Distribution:
It has been reported from New England to Greenland, Iceland, Spitzbergen, the Barents and Kara Seas, the Faeroes, Norway, western Sweden, and, via the Bering Sea, to the Pacific Ocean, along the north Russian coast to the Sea of Japan, to 450 m (Distr. C. verrucosa).

Coryphella verrucosa