The Night Fury, named Toothless, is a voracious yet inwardly serene beastie whose trust must be won, which Hiccup does by feeding him slimy fish, building him an artificial tail, and saddling him up.

这条“夜之怒龙”名叫“无牙仔”，贪婪而又内向安静。西卡普喂它发粘的咸干鱼，给它安上假尾巴，还给它套上鞍子，慢慢赢得了它的信任。

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"These fish are voracious eaters. In order for it to be economically profitable we are going to have to find some way to get cheaper food for fish.

VOA: standard.2010.03.04

Biologists fear the voracious fish that can grow to 100 pounds will destroy the Great Lakes by starving out native species.

FORBES: Will Chinese Eat 'Wild Mississippi River Fish'?

The huge, voracious fish have infested the Mississippi River and its tributaries.

WSJ: Great Lakes governors seek agreement on invasives

For now an electrified barrier lies between the carp and the lake, but a serious proposal has been advanced to re-reverse the river, sever it from the Big Muddy and isolate Lake Michigan from the voracious fish.

FORBES: Currents Of The U.S. Economy Run In Chicago River's Twisted History