Fig. 5From: Feeding cessation alters host morphology and bacterial communities in the ascidian Pseudodistoma crucigaster Transmission electron micrographs of the tunic of the colonial ascidian Pseudodistoma crucigaster. a Actively-filtering colony and b detail of its cuticle. c Resting or non-feeding colony, d showing a thicker cuticle and different bacterial morphotypes attached to it. Tunic matrix (tm) and cuticle surface (cs). Scale bars represent 1 μmBack to article page