Phyllodesmium iriomotense is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.Bouchet, P. (2015). Phyllodesmium iriomotense. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-06
The specific name iriomotense refers to its type locality, the island Iriomote.
Distribution The type locality of this species is Iriomote, Ryukyu Islands, Japan. It has also been reported from Okinawa and Sulawesi, Indonesia.Rudman, W.B., 1998 (August 5) Phyllodesmium iriomotense Baba, 1991. [In] Sea Slug Forum. Australian Museum, Sydney.
Description The length of the slug is 20 mm. This species does not contain zooxanthellae.
Ecology Phyllodesmium iriomotense was found on a thread like alcyonarian which is probably its food.
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