Lookdown fish (Selene vomer) specimens in an x-ray exposurefrom “X-ray Vision: Fish Inside Out,” an exhibition from the Smithsonian’s National Museum of Natural History and the Smithsonian Institution Traveling Exhibition Service (SITES).
X-Ray Vision: Selene vomer
Credit: radiograph and fish photograph by Sandra J. Raredon, Division of Fishes, National Museum of Natural History, Smithsonian Institution.