If a claim of the first-ever sighting of a newborn white shark holds, it could help solve a mystery of where adult white sharks give birth.
Video of a purported newborn white shark, taken by a drone off the coast of California, went viral, garnering over a million views and a spate of somewhat breathless news coverage. The shark measured an estimated 1.5 meters long and appeared to be shedding a whitish film,If confirmed, it would be the first sighting of such a young white shark possibly just hours after birth. Plus, it could provide clues to where these enigmatic and endangered sharks’ breeding grounds are located.
The researchers themselves are careful to couch their finding with words like “possible” and to provide an alternative explanation for the milky film: It could be a skin condition. And they agree more sightings are needed.SN: 6/30/14Where do young white sharks live? Lowe and his team use drones to spot white sharks. Then the team drives up alongside them in boats to attach tracking tags. Satellite data have shown that young and juvenile sharks frequently visit the four coastal sites, sometimes migrating between them, and stay there for days to months. Juveniles tagged by Lowe’s team have turned up at a fifth site in Baja, Mexico, the data show. “In a year, they have migrated down to Mexico, and back to California,” Lowe says.).
Researchers filmed a young great white shark off the California coast near Santa Barbara, that appeared to be sloughing off its skin layer. The sighting might give clues to where white sharks are born.That’s a mystery too — because no one has witnessed a white shark giving birth. “Why would the fins be rounded?” Gauna asks. “Well, to exit the mother.” That rounded shape has been documented in embryonic sharks found inside pregnant females that have died. By the time the sharks are a year old, the fins take on a sharper, more defined shape, Sternes says.
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