The third child of Wu Mu and Song Xu, a girl born in human form who transformed into a whale-like fish beast form three days after birth. Named Tian Hu (Sweet Lake) by Song Xu but preferred to be called Big Fish. She was several meters long, almost filling a small lake with one tail swipe scattering the nest. She could not walk in beast form on land but could carry her mother and brothers across the ocean. Envied her brother Chick for flying and Kitten for running fast.
