日本购买了全球25%的吞拿鱼捕捞配额，供应量减少将使蓝鳍吞拿鱼（做寿司的最佳原料之一）的价格在2年的时间里攀升30%左右。

Japan buys around 25% of the global tuna catch; the shortage has pushed up prices of bluefin (the best sort for sushi) by around 30% in two years.

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一只火柴头大小的蓝眼三鳍鱼，正在展示一种进攻性的姿势，以保卫它的地盘。

A blue-eyed triplefin, small as a matchstick, guards its territory with an aggressive pose.

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它们身着一袭黑色或蓝灰色的大衣，露着白白的肚皮，长着一双短腿，两个翅膀就是它们的鳍。

They wear a black or blue-gray overcoat, and they have a white belly, a pair of short legs, and two wings that serve as flippers.

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