Think tortoises live a long time? The oldest known tortoises have gotten close to 200 years. That's pretty old.
认为乌龟活的时间长吗?已知最老的乌龟活了近200年。这很老了。
But it's got nothing on the Greenland shark, which is huge, rare and, it turns out, extremely long-lived.
但在格陵兰鲨鱼面前却没什么,这种鲨鱼体型巨大、罕见,而且寿命极长。
Greenland sharks are the new record holders for longest-living vertebrates after a new study put their maximum lifespan at an incredible 400 years.
格陵兰鲨鱼是脊椎动物寿命最长的新纪录持有者,最新研究表明它们的最长寿命达到难以置信的400岁。
The study also found they don't even reach sexual maturity until around 150 years old. So at an age when tortoises are becoming elderly, Greenland sharks are just leaving childhood.
这项研究还发现,直到150岁它们才达到性成熟期。所以当乌龟老了的时候,格陵兰鲨鱼才刚告别童年。
In fact, lots of ocean dwellers live longer than tortoises. Bowhead whales can live more than 200 years. Even a humble koi fish is thought to have survived to age 226.
事实上,许多海洋动物活得比乌龟长。北极露脊鲸可以活200岁以上。即使小小的锦鲤都认为活到了226岁。
The sharks have one thing in common with tortoises, though: They both move extremely slowly. Greenland sharks tend to swim at about 1 or 2 miles per hour.
然而这些鲨鱼和乌龟有一个共同之处,就是它们都走的很慢。格陵兰鲨每小时游约1或2英里。
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