In photos: baby sharks show off amazing ability, Related: The 10 weirdest medical cases in the animal kingdom. Because blackmouth catsharks typically swallow their prey whole, the naked shark's naked mouth did not make her any less effective a predator, Mulas said. The shark looked so abnormal that the researchers' first impulse was to make sure it wasn't an "alien" — that is, a species not native to the Mediterranean, Mulas said. Live Science is part of Future US Inc, an international media group and leading digital publisher. Related: Image gallery: Mysterious lives of whale sharks, "Our first reaction was, 'A shark without skin can't survive,'" Mulas, a biologist at the University of Cagliari in Sardinia, told Live Science. Besides obviously missing its epidermis (the outermost layer of skin), the shark was also missing its dermal denticles — tiny, fang-like structures that line the skin of all sharks and rays, a microscopicy analysis revealed. Stay up to date on the coronavirus outbreak by signing up to our newsletter today. Receive news and offers from our other brands? Thus, all shark species on earth can also come to the Mediterranean. These hard, pointed scales not only provide sharks with physical protection, but also make them faster, more agile swimmers, Mulas said. So some caution when swimming in the Med.Sea in advisable. Unfortunately, sharks are largely misunderstood, as most of them are completely harmless and, despite their integral part in the ocean’s delicate ecosystems, they are being fished […] The shark's abnormal appearance was almost certainly the result of a genetic mutation, the researchers concluded. The sand tiger (Carcharias Taurus) is a common shark found mostly off Spain’s … "But, as Shakespeare said, there are more things in heaven and Earth than you can imagine.". Ensnared in their net among hundreds of other fish, sharks and assorted marine life was a blackmouth catshark (Galeus melastomus) — seemingly born without skin or teeth. Yes there are, but.. why not swimmers near the coast? The shark was no alien, the researchers found — just otherworldly. Receive mail from us on behalf of our trusted partners or sponsors? Sharks in the Mediterranean A few people know that one of the most dangerous species of sharks is found in Europe. Guarantees that there will never be a certain shark species on a certain beach in Spain, there is not. To be precise there are a plethora of species, exactly 47. There was a problem. True to its name, the interior of the blackmouth's maw is jet-black, as is the skin-like sheath that covers its internal organs. This analysis should reveal if there was anything potentially harmful in the shark's environment, and could point the way toward other similarly strange sea creatures, Mulas said. Obviously the Tourist Boards in the whole area prefer it to be kept quiet. "Maybe we'll find a two-headed shark, or Blinky [the three-eyed] 'Simpsons' fish," he said hopefully.
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