General Description

Body sack shape with a wide mouth at one end. No tentacles. Eight rows of hair-like cilia extend from the base to about three-quarters of the way to the mouth. Mature animals are pink. Body up to 15 cm long.

Biology

The rows of hair-like cilia create a rainbow effect as they beat, propelling the animal through the water. These species feed on jellyfish and are able to engulf equal sized prey whole, or tear pieces off larger prey.

Distribution

Worldwide.

Habitat

Open water, near surface to depths over 3800 m.

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