Ceratosoma brevicaudatum Psychedelic world of the nudibranch The one and only sea slug or Nudibranch that we saw during the VNPA sea slug census in Port Phillip Bay on 22/4/2018. Newer:First Day of Two Bays 2018Older:Celebrating Marine Education with Harry Breidahl and Two Bays PostedMay 11, 2018 AuthorNatalie Davey CategoriesEnvironmental Education TagsCamouflage, seaslug, marineparks, monitoring, citizenscience