That's not unusual, if you put electronics in the sea, some things just glitch up after a while. Jonathan Houghton More Quotes by Jonathan Houghton More Quotes From Jonathan Houghton That this animal, three years later, appeared to have become a part of the North American population is a very new finding, there's not a kind of bungee cord effect where they have to return back to the other side. Jonathan Houghton top-news Until that moment, we had never been able to follow the movement of a shark for more than, say, nine months or a year. So to understand its movements on a time scale of three years, on a different side of the Atlantic, that's completely changed the way we think. Jonathan Houghton top-news We knew that trans-Atlantic movement could happen but it wasn't very common. Jonathan Houghton top-news When the shark opens its mouth, it's kind of like opening your jacket on a windy day. It inflates out and that cartilage gives it some structure so that its skin isn't just flapping around. Jonathan Houghton top-news