An Irish fish goddess who takes the form of a trout. She occupies an ancient well at Kil-na-Greina in County Cork where, if the right ritual is performed, she will answer any question. Alt. form: Banna Naomha.

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Sources:

Patricia Monahan. Book of Goddesses and Heroines (Dutton/1981)
Ann & Imel. Goddesses in World Mythology