Their weight varies greatly - from small fish of around 1/2 lb to large specimens of around 20 lb. There are four strains of brown trout in Ireland: Dollaghan, Gillaroo, Sonaghen and Ferox. The Dollaghan is thought to have evolved from sea trout which were land locked many years ago.
Their weight varies greatly - from small fish of around 0.5 lb to large specimens of around 9 kg. There are four strains of brown trout in Ireland: Dollaghan, Gillaroo, Sonaghen and Ferox. The Dollaghan is thought to have evolved from sea trout which were land locked many years ago.