<p><strong>An extremely rare <a href="http://news.nationalgeographic.com/news/2011/10/pictures/111013-shark-albino-one-eyed-fetus/">cyclops shark</a>, recently confirmed in <a href="http://travel.nationalgeographic.com/travel/countries/mexico-guide/">Mexico</a>, is an editor's pick for one of the ten oddest life-forms found in 2011.<br></strong></p><p>The 22-inch-long (56-centimeter-long) fetus has a single, functioning eye at the front of its head, scientists announced in October. The eye is a hallmark of a congenital condition called cyclopia, which occurs in several animal species, including humans. (See <a href="http://news.nationalgeographic.com/news/2003/02/0205_030205_cyclops.html">"Cyclops Myth Spurred by 'One-Eyed' Fossils?"</a>)</p><p>Scientists have documented cyclops shark embryos a few times before, said<a href="http://www.unf.edu/coas/biology/faculty/gelsleichter.aspx"> Jim Gelsleichter</a>, a shark biologist at the University of North Florida in Jacksonville.</p><p>The fact that none have been caught outside the womb suggests cyclops sharks don't survive long in the wild.</p><p>(See <a href="http://news.nationalgeographic.com/news/2010/12/photogalleries/101207-top-ten-weird-new-animals-2010/#/t-rex-leech-face_18988_600x450.jpg">pictures of the weirdest new animals of 2010</a>.)</p>