AI rendition based on witness descriptions, not an actual photo.
Artist's impression by eyewitness Sean Corcoran. This creature was encountered on Omey Island, Connemara, Co. Galway, Ireland · Bango Art at en.wikipedia · CC BY-SA 3.0 (via Wikimedia Commons) · Image source · License
The 'water hound' or king otter of Irish and Scottish folklore.
FolkloreVerdict: We treat Dobhar-chú as folklore: the record is stories and local reports, with no specimen or verified photo.