Three-lined Aeolid

Q: Where can you find Three-lined Aeolid?

Three-lined Aeolid can be found in: Canada West, Pacific East, British Columbia, Alaska, Canada, USA West, Mexico West, USA, Mexico, Pacific Ocean.

Flabellina trilineata

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Flabellina trilineata (Orienthella trilineata) is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Flabellinidae.

Other names: Three-lined Aeolid.

Description

Flabellina trilineata is a flabellinid nudibranch with a translucent body and three longitudinal white lines on the back and sides. The line down the middle of the back passes between the rhinophores where it splits and continues to the tips of the oral tentacles. The rhinophores are perfoliate and coloured white at the base but orange in the outer third. The digestive gland is either red or orange in colour. Maximum length is about 35 mm.

Distribution

This species was described from Nanoose Bay, Regional District of Nanaimo, Vancouver Island, British Columbia, Canada. Flabellina trilineata is a seasonally abundant aeolid ranging from Baja California, Mexico to Alaska.