Some Crustacea and Polychaeta found in/on ceriantharian tubes. (A) Monocorophium acherusicum (B) Idotea balthica (C) Cymadusa filosa (D) Paranthura urochroma (E) Photis sarae, female and male, respectively (F) Ampelisca burkei (G) Chondrochelia savignyi (H) Elasmopus pectenicrus (I) Nereis sp. (J) Phyllodocidae, indet. (K) Cirriformia sp. (L) Sternaspis sp. Scale bars: (A-H) 1000 μm (I) 2000 μm (J) 600 μm (K) 1000 μm (L) 3000 μm.
	Part of: Ceriello H, Lopes CS.S, Reimer JD, Bakken T, Fukuda MV, Cunha CM, Stampar SN (2020) Knock knock, who’s there?: marine invertebrates in tubes of Ceriantharia (Cnidaria: Anthozoa). Biodiversity Data Journal 8: e47019. https://doi.org/10.3897/BDJ.8.e47019