The resulting bubbles pen in prey fish, which the whales gobble up.
由此产生的泡沫将猎物围起来，于是座头鲸便狼吞虎咽吃掉猎物。
Gray reef sharks and red snappers hover above a patch of table coral waiting for prey fish to emerge.
灰色的暗礁鲨鱼群和红色的笛鲷群徘徊在一片的台子珊瑚之上，等待猎物鱼出现。
Once established in the lakes, the carp could starve out the prey fish on which popular species such as salmon and whitefish depend.
他们一旦在湖泊里安家，可能会饿死其他品种的鱼，如鲑鱼和白鱼。
Large predators were sustained by populations of prey fish, pilchards, herring, sprat and others, far greater in abundance than those present today.
大型食肉动物是靠猎物鱼，沙丁鱼，鲱鱼，鲱等来生存的，大大的比现在的数量种类丰富。
Although not nearly as graceful as sponging dolphins, "which are really elegant in their moves," Patterson says, the human sponger nonetheless managed to scare up a hidden prey fish every 9 minutes.
尽管人们捕捉一只隐藏的底栖鱼只需9分钟，但始终比不上动作优雅的海豚。
In experiments, a blindfolded harbor seal can detect the passage of a fish by using its whiskers to sense changes in flow velocity - even 30 seconds after its prey has passed by.
在试验中，一只被蒙住眼睛的海豹用胡子感应水流速的变化，从而发现鱼游动的路径——即使那猎物是在30秒以前经过那里的。
The fish rests on the ocean floor as he prepares to make a dart for any passing prey he has lured towards him using the protrusion above his mouth.
这条鱼在海底静静地等待被他嘴巴上面的突起物应有过来的猎物，随时准备对游过的美餐发动突袭。
"They are not a huge prey, but are very nutritious," Patterson says, because fish lacking swim bladders typically have a high lipid content.
帕特森描述道，这些食物不大，但是营养非常丰富，因为这些没有鱼鳔的鱼通常脂质含量很高。
These small editions of mother and father are easy prey for birds, raccoons, fish and turtles.
这些小型的雌兽和雄兽很容易成为鸟类，浣熊，鱼类和海龟的牺牲品。
Phytoplankton are typically eaten by zooplankton - tiny marine animals - which themselves are prey for small fish and other animals.
浮游动物（微小的海洋生物）通常吃浮游植物，而其本身又是小鱼和其它动物的捕食对象。
Sharks help maintain the genetic health of the fish populations they feed on by eating the weak, sick and injured.They also keep their prey populations in balance.
通过吃掉老弱病残和受伤者，鲨鱼协助维持其猎物鱼群的基因健康，同时也使其数量保持平衡。
Sharks help maintain the genetic health of the fish populations they feed on by eating the weak, sick and injured. They also keep their prey populations in balance.
通过吃掉老弱病残和受伤者，鲨鱼协助维持其猎物鱼群的基因健康，同时也使其数量保持平衡。
Biologists speculate that the mostly likely cause was a shift in Pacific Ocean currents, but food availability, changing river conditions and predator-prey relationships could be affecting the fish.
生物学家推测，最有可能的成因是太平洋洋流的变化，不过食物的取得、河流环境的改变、生物掠夺关系等，也都可能对鲑鱼造成影响。
When more plates of food arrived he shoveled beans and noodles fish and broccoli onto his plate then lit upon it all as if it were prey gobbling and drinking then gobbling some more.
当菜陆续上来后，他把豆子、面条、鱼和西兰花直往自己的盘子里舀，接着扫视着面前的食物，那眼光仿佛是在捕猎，大口大口地吃菜，大口大口地喝酒，然后又是大口大口地吃菜。
Ospreys specialise in catching slippery fish. Unlike other birds-of-prey, they have four powerful toes of about equal length, while the outer one is reversible and can swivel backwards or forwards.
通过对以光滑鱼为猎食的鱼鹰进行研究发现，它不象其它的食肉鸟类，它有四只同样长而非常有力的爪，并且最外边的一只是可以钩回和前后旋转。
Such small fry are prey, and as the number of older, predatory fish increased, yearling haddock suffered disproportionately.
这些幼龄鱼作为其他鱼类捕猎的对象，当年龄更大、以捕食为生的鱼类数目增加，幼龄黑线鳕便要遭遇巨大的磨难。
Fish in each trial ultimately gobbled up the same Numbers of prey.
在每次实验缸内，三椎刺鱼最终都能够捕捉相同数量的猎物。
They eat other fish, crustaceans, mollusks, and octopus. Almost anything that moves and will go into that mouth, even up to half their own body size, is potential prey.
它们吃其他的鱼类、甲壳类、软体动物和章鱼。几乎所有能动的东西都会进到它们口中，即使体型有它们一半大，也是它们潜在的猎物。
Large bugs in the Lethocerinae family have been known to prey upon small vertebrates including fish and frogs.
我们知道Lethocerinae科(半翅负子蝽科昆虫的一类)的大型昆虫会捕食包括鱼和蛙类在内的小型脊椎动物。
Fish capitalize on this by having an excellent sense of hearing, using both their inner ears and lateral lines to detect prey or avoid enemies.
鱼类利用这优良的听觉，同时使用他们的内耳和侧线检测猎物或避免敌人。
Fish exposed to the noise of speedboats were less efficient at finding, catching and holding on to prey. Christopher Intagliata reports.
在快艇的噪声中，鱼儿们寻觅，追捕和专注于猎物的能力都降低了。
Great whites have jaws and teeth that are perfect for a powerful chomp on prey ranging from small fish to large marine mammals .
大白鲨的嘴巴和牙齿是一副功能强大的捕猎工具：猎物从小型鱼类到大型海洋哺乳动物。
Those gulls are surprisingly aggressive and always steal fish from the pouches of pelicans and chase other birds to take their prey.
那些海鸥具有令人惊讶的攻击性，它们经常从鹈鹕的喉囊中盗取鲜鱼，并追逐其它鸟类，掠夺它们的猎物。
But, they will also catch smaller prey including rabbits, beavers, fish, and smaller rodents.
但是，他们也将赶上较小的猎物包括兔，海狸，鱼类和规模较小的啮齿动物。
An angler fish appears to 'walk' across the ocean floor as it waits for its prey.
日前，海底摄影师拍摄到一种名叫：“琵琶鱼”的大头鱼在河床上漫步。
The researchers say the buzz of boats may divert attention from the hunt—causing fish to waste more time and energy chasing prey.
研究人员称，船只发出的轰鸣声可能让捕食中的鱼类分心——导致鱼类花费了更多的时间和气力觅食。
The researchers say the buzz of boats may divert attention from the hunt—causing fish to waste more time and energy chasing prey.
研究人员称，船只发出的轰鸣声可能让捕食中的鱼类分心——导致鱼类花费了更多的时间和气力觅食。
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