Fig. 1: Focal species and experimental setup.
From: Attachment performance of the ectoparasitic seal louse Echinophthirius horridus
a The host of E. horridus, the harbour seal P. vitulina. b Echinophthirius horridus in the head region of P. vitulina. c Adult (ad), nymph (ny) and nit (ni) of E. horridus attached to seal fur. d Experimental setup. The seal louse (sl) was fixed with a human hair (ha) to a force transducer (ft) and actively pulled off from seal fur (sf), which was fixed with a clamp (cl) in an aquarium filled with sea water (sw). e Representative force-time curve showing the pull-off force at detachment (F). Figure 1a provided by Thomas Diedrichsen.
