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Image description: This picture of a deep-sea chimaera was captured as part of the National Oceanic and Atmospheric Administration’s Ocean Explorer program. Chimaera’s 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.
Like sharks, chimaeras have no real bones. The lateral lines running across this chimaera are mechano-receptors that detect pressure waves (just like ears). The dotted-looking lines on the front of the face, near the mouth, are ampullae de lorenzini, and they detect electrical signals generated by living organisms.
Photo by the NOAA Okeanos Explorer Program

Image description: This picture of a deep-sea chimaera was captured as part of the National Oceanic and Atmospheric Administration’s Ocean Explorer program. Chimaera’s 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.

Like sharks, chimaeras have no real bones. The lateral lines running across this chimaera are mechano-receptors that detect pressure waves (just like ears). The dotted-looking lines on the front of the face, near the mouth, are ampullae de lorenzini, and they detect electrical signals generated by living organisms.

Photo by the NOAA Okeanos Explorer Program