This image provided by NOAA shows a deep-sea Chimera in waters off Indonesia in July, 2010. Chimeras are most closely related to sharks, although their evolutionary lineage branched off from sharks nearly 400 million years ago, and they have remained an isolated group ever since. According to scientists the lateral lines running across this chimera are mechano-receptors that detect pressure waves (like ears). The dotted-looking lines on the frontal portion of the face (near the mouth) are ampullae de lorenzini and detect perturbations in electrical fields generated by living organisms. (AP Photo/NOAA Okeanos Explorer Program) #
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