不會嚇跑真魚的機器魚

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Most robotic fish are like fish out of water: They』re surprisingly poor swimmers, and they often scare away any other creatures they come in contact with.

大部分的機器魚都不不像是真正的水裡的魚：它們游得很爛，而且經常會嚇跑它們遇到的其他生物。

But a new robot is so realistic that fish in Fiji are falling for it—hook, line, and sinker.

不過有一種新的機器魚實在是逼真，以至於斐濟的魚兒們都喜歡它—它就像魚鉤，線和沉餌一樣。

The remote-controlled robofish isn』t the world』s first.

這隻遙控機器魚並不是全世界第一隻。

But the new version—called SoFi, for Soft Robotic Fish—is a step up from previous generations of robotic fish because it can be maneuvered up and down to depths of up to 18 meters.

不過這個新版—叫做SoFi，意思是柔性機器魚—是以前幾代機器魚的升級版因為可以控制它上下遊動，到達18米深的水裡。

There』s a fisheye camera where its mouth would be, perfectly positioned to capture any action up ahead.

它的嘴的部分安裝了一個魚眼攝像頭，其位置是為了完美地捕捉前方的動向。

And the robot doesn』t just look like a fish; it also moves like one, undulating its tail to propel itself through the water.

而且這個機器人不僅僅看起來像魚；它游起來也很像，通過波動它的尾部來推進自己在水裡前進。

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Scientists took SoFi for six test runs in coral reefs around the Pacific island of Fiji.

科學家們帶著SoFi在太平洋的斐濟群島周圍的珊瑚礁進行了六次測試。

The robot, which is 47 centimeters long, swam at speeds of half a body length per second.

這台機器魚，長47厘米，游泳的速度是每秒鐘半個其身長。

That』s a tad slower than most real-life fish, which can swim two to 10 body lengths per second.

這個速度比大部分真實的魚都要慢，真實的魚游速可以達到每秒10個身長。

And it could swim for 40 minutes at a time, controlled by a diver up to 10 meters away, the team reported today in Science Robotics.

這條機器魚一次可以游40分鐘，由10米外的一個潛水員來控制，其開發團隊今天在《科學》雜誌的機器人分刊發表了報道。

The Fijian fish didn』t seem to mind SoFi swimming around.

斐濟的魚兒們似乎並不介意SoFi在它們周圍游來游去。

So the team hopes that the robot and its camera can be deployed elsewhere to help us peer into the lives of marine animals—to better see how they move, what they』re eating, and who they』re swimming around with.

因此研發團隊希望他們的機器魚和攝像頭可以用在別的地方來幫助我們觀察海里動物的生活—來更好地看清它們如何運動，它們吃什麼，以及它們跟誰一起遊動。

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