靠連續「開炮」擊暈獵物，卻可能吵到海軍迷失方向？越熱越嗨的槍蝦
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槍蝦：越熱越嗨越聒噪
[啪啪啪啪啪啪啪啪啪]
米花爆破聲？雨點砸上鐵皮屋頂的聲音？培根煎的嗞油聲？你可能想不到這來自聒噪十級的槍蝦。
這些嘈雜的小蝦蝦遍布在世界各地溫暖的溫帶和熱帶沿海水域中，它們閉合大螯的速度極快，會導致氣泡的產生，而氣泡破裂時就會發出很大「嘭啪」聲。
「正是這種持續的背景噪音——這些啪啪響的槍蝦們。」伍茲霍爾海洋研究所（Woods Hole Oceanographic Institution）的海洋生物學家亞蘭·穆尼（Aran Mooney）說道。
槍蝦靠這種響亮的聲音把獵物震暈，那麼，未來幾年海洋的不斷變暖將如何影響這種持續的背景雜訊呢？為了找出答案，穆尼和同事阿什莉·利利斯（Ashlee Lillis）分析了自然環境中小槍蝦啪啪聲的錄音。
他們還進行了實驗室研究，研究對象來自不同溫度的水域中捕撈而來的野生槍蝦，結果發現……[查看全文]
Snapping Shrimp Make More Noise in Warmer Oceans
[Snapping shrimp sound]
Rice Krispies? Rain hitting a tin roof? Bacon frying? How about noisy creatures known assnapping shrimp.
Warm temperate and tropical coastal waters around the world areteemingwith these noisy little creatures. They snap their claws so fast that they produce a bubble. When the bubble bursts, it makes a loud popping sound.
「It"s this sort of persistent background noise, these snapping shrimp kind of crackling.」
Aran Mooney, a marine biologist at Woods Hole Oceanographic Institution.
The shrimp produce the loud sound tostunprey. So how would this persistent background noise be affected by oceans getting warmer in coming years. To find out, Mooney and his colleague Ashlee Lillis analyzed audio recordings of the critters in their natural environment.
They also performed lab experiments with snapping shrimp collected from the wild, in water of varying temperatures. And they found that...[full transcript]
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