Please see the link below from Fisheries Management Scotland regarding skin damage in wild Atlantic salmon: http://fms.scot/reports-of-disease-in-wild-atlantic-salmon/ If you encounter a fish exhibiting signs of red ‘rash’, bleeding and/or ulceration, then please contact the relevant district salmon fishery board and include following: • Date observed/caught; • Photos; • Size and weight estimate; • One sea winter or multi sea winter; • Location caught/observed (OS grid ref if known); • Clinical signs of disease; • Water temperature; • Any other observations.
Source: NESS DSFB – Reports of skin damage in wild Atlantic salmon