Overlooking the River Teifi in this small Welsh village is a wooden statue of a mermaid commemorating a fisherman’s generosity. The fisherman’s name was Peregrine, and, in late September 1789, he had the good fortune of landing a mermaid in his nets. Overjoyed with his catch, he tied the mermaid up to his boat and set sail for St. Dogmaels, where he planned to come ashore. On the journey home, the beautiful mermaid begged and pleaded with him to let her go. However, on approaching the village, it seems that…