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Cyclops shark
The Cyclops shark is an exception. While rare, "cyclopia" is a real developmental anomaly in which only one eye develops. Human fetuses are sometimes affected, as in a 1982 case in Israel reported in 1985 in the British Journal of Ophthalmology. In that case, a baby girl was born seven weeks early with no nose and only one eye in the center of her face. The infant, who lived only 30 minutes after birth, also had severe brain abnormalities.
In 2006, a kitten born with one eye and no nose (a rare condition called holoprosencephaly), created a stir online as news organizations and bloggers tried to determine if the bizarre photos of the animal were real. A veterinarian confirmed the kitten's condition; "Cy," as the cat was known, lived only a day. The remains were sold to the creationist Lost World Museum.
The fisherman who discovered the Cyclops shark is reportedly hanging on to the preserved remains, news outlets reported. But scientists have recently examined and X-rayed the fish, authenticating the catch. According to Seth Romans, a spokesman for Pisces Fleet, Galvan Magana and his colleagues will publish a scientific paper about the find within the next several weeks.
Romans told LiveScience that the fisherman who caught the strange shark is "amazed and fascinated" by the attention his catch has drawn.
It's not the first strange shark fetus Galvan Magana has found; he and his colleagues discovered two-headed shark embryos in two different female blue sharks. It's possible that one embryo started to split into twins, but failed to completely separate because of crowding in the womb, the researchers reported in January 2011 in the journal Marine Biodiversity Records.
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