This is an illustration from a medieval manuscript. It depicts a person riding on the back of a large whale. The person is wearing a reddish-brown robe and has their arms raised in a gesture that could be interpreted as praise or control. Their feet are positioned on the whale's back. The whale is a dark blue color and appears to be leaping out of the water. The water is depicted with swirling, stylized white and green waves. The entire scene is framed by a decorative border. The border consists of a series of repeating geometric patterns in shades of brown, gold, and white. The background is a pale yellow, giving the image an aged, parchment-like appearance. The style of the illustration is characteristic of medieval illuminated manuscripts, with flat colors, simplified forms, and a focus on symbolic representation rather than realistic detail.