Atlantic mackerel
Cemaes has a range of wildlife from foxes and peregrine falcons to marine life. On Wylfa Head, you can see porpoises coming up for air. Cemaes harbour is a good spot for fishing, as you can catch Atlantic mackerel, flatfish, red crabs and other fish and crustaceans. Near Cemaes is Cemlyn, which hosts the only breeding Sandwich terns in Wales.