A new species of ghostshark was found off the coast of California. The odd-looking creature is a bit of an evolution-born exhibitionist: the males float through the deep with a club-like sex organ protruding from their heads. Scientists are unsure why this is the case, though some speculate that it is to grasp the female during mating. The Eastern Pacific black ghostshark joins the ranks of a special group referred to as "big black chimaeras." This classification is reserved for an ever-growing clique of sea creatures that feature characteristics that aren't found on other living creatures, though one could argue that the males of many species often combine their sex organs and their heads.
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