This helps to maintain the flow during dry periods and manage flooding at other times. There's no licence required for coarse fishing on the upper Shannon but you'll need a licence for game fishing. Lough Allen Canal - Stories and Exhibitions - Waterways Ireland catches of roach, bream and hybrids, when the shoals are moving up to Prepare for success with accurate data about the type of fish that are caugh in Lough Alaan, learn what baits are used, and fish smarter with weather forecasts. Species: Bream, skimmer bream, roach, hybrids, tench, pike and perch Numbers are believed to be low.