A seventeenth-century dry preparation of a porbeagle which was combined with a wooden sculpture of the prophet Jonah is analyzed using pictorial theories that emphasize the paradox of preparations being both subject and material of a visual representation. It explains the combination of Jonah and the shark by referring to speculations of early-modern natural history that the large fish that devoured Jonah must have been a shark. The preparation’s characteristic posture appears to be an adaptation of the depiction of a great white shark in Konrad Gessner’s