A specimen of Phyllodesmium lizardense in its natural habitat, the soft coral Heteroxenia sp. sp. The slug's cerata are more erect than the coral polyps surrounding it in this photo.
© Heike Waegele and Ingo Burghardt
Photo provided by Heike Waegele. She is not sure whether she or Ingo Burghardt took it. Photo taken at Lizard Island.