Moray eel
Picture 2 of 9
This radiograph shows the soft tissue and meandering skeletal system of a Moray eel. An incredible feature that can be seen in this x-ray is the second set of jaws in the predator's throat, which are called gill arches as they support the creatures gills. Image: Sandra J. Raredon, Division of Fishes, National Museum of Natural History, Smithsonian Institution.
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