To date over 1,800 tests have been carried out on 27 species, including atlantic salmon, sea trout and brown trout. Fish have been taken from Lochs Creran, Nevis and Snizort, Mull, The Minch and Shetland (non salmonids) and The Hebrides, Shetland, Sutherland, Ross-shire, Lochaber, Loch Linnhe and Rivers Tweed, Tay, Dee, Don and Conon (salmonids).