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. 2020 May 6;13:225. doi: 10.1186/s13071-020-04096-0

Fig. 2.

Fig. 2

Photographs of salmon lice with (right) and without (left) a blood-filled intestine. a Chalimus I larvae sampled 10 days post-infestation. b Chalimus II larvae sampled 18 days post-infestation. c Preadult I lice on frontal filament sampled 18 days post-infestation. The lice with blood-filled intestine were sampled from the gills and the others were sampled from the skin of their host. Scale-bars: 1 mm