Phylliroe bucephalum

Phylliroe bucephalum is a species of pelagic parasitic nudibranch, a marine gastropod mollusc in the family Phylliroidae.


This nudibranch is transparent with guts visible through the laterally flattened body. It has a tail and two long smooth rhinophores. It feeds on jellyfish and plankton as an adult. The juveniles parasitize Zanclea medusae.