Valkur

Valkur is the god of the ocean and a member of the Calendaris. He is celebrated in the fifth month of the year, Valkis, and his feastday (name) is observed on the fifteenth.

Description
Valkur is depicted as a humanoid man with a tail in place of legs. Which sea-creature the tail belongs to vary by representation, but the most common is a biconcave fish tail. Scholars generally feel that Valkur is intended to be depicted as a water-genasi.