SCP-7831: "The Ningyo"

SCP-7831 refers to a species of lampriform fish, externally resembling members of the family Regalecidae. Despite this superficial appearance, SCP-7831 possesses an internal morphology derived from a human anatomy adapted for a pelagic marine environment. Genetic testing conducted on various tissue samples confirms that SCP-7831 contains DNA belonging to modern homo sapiens.