Fig. 7
From: Endobacterial morphotypes in nudibranch cerata tips: a SEM analysis
Bunches of cnidocyst threads (arrow) in the vicinity of bacterial aggregates (envelopes cannot be identified). A cavern contains smooth surface streptococcus-like bacteria (Ø ca. 0.7 µm, arrow) detected in cerata of nudibranch Facelina coronata