Swims by contracting the velum.
Gonads are yellowish in color, manubrium and tentacles are usually pink. The surface of the subumbrella strongly iridescent.
Oceanic, widely distributed species in Arctic and sub-Arctic seas. In the Arctic is found in the Barents Sea, White Sea, Kara Sea, Chukchi Sea, Bering Sea, Sea of Okhotsk
Umbrella with a protruding tip at the top. Walls very thin. Velum wide, with well-developed musculature. Short manubrium with 4 labia is located at the tip of a cylindrical gastral stem, which is almost as long as the inside of the umbrella. The edge of the umbrella carries numerous (up to 100) thin tentacles, which are often broken off during fixation and 8 statocysts. Gonads originate from the radial canals near the base of the gastral stem and hang freely in the atrium of the umbrella.
