The lamia or lamina (plural: lamiak or laminak) is a siren or nereid-like creature in Basque mythology. Lamiak, laminak, or amilamiak are typically portrayed as living in and around rivers. They are depicted as beautiful, long-haired women with webbed duck feet, usually found at the river shore combing their hair with a golden comb and charming men. Mythology in coastal areas includes itsaslamiak, a variety of lamiak who live in the sea and have fish-like tails, similar to a mermaid.