arapaima

The site protects key threatened species, including giant arapaima fish, the Amazonian manatee, the black caiman and two species of river dolphin.

保护区为许多珍稀濒危动物提供保护，例如巨骨舌鱼、亚马逊海牛、黑凯门鳄和两种淡水豚类。

A large South American freshwater food fish ( Arapaima gigas ) that typically attains a length of 3 meters ( 10 feet ).

巨体舌鱼属一种大型南美淡水食用鱼 ( 巨骨舌鱼 ) 一般长达3米 ( 10英尺 )

Pictured is an arapaima fish at an aquarium in Manaus, Brazil.

照片展示的是一条巨滑舌鱼，在巴西马瑙斯的一个水族馆拍摄。

As a result, other Amazonian fish have had to adapt to their bullying neighbors, and even the largest fish in the Amazon-the Arapaima gigas or giant arapaima-needs a second layer of protection.

最终，亚马逊河的其他鱼儿不得不适应这些粗暴的邻居，甚至亚马逊河里最大的鱼——巨骨舌鱼（Arapaima gigas）——都需要两层防护。

Like several megafish species in our gallery, the arapaima is the focus of conservation projects, which may be racing against time to save these animals in the wild.

与《国家地理杂志》图集中展现的其他巨型淡水鱼一样，巨滑舌鱼也是一个保护重点。为了拯救野外的巨型淡水鱼，保护人员需要与时间赛跑。

But as Teddy Roosevelt observed, a school of piranhas won't shy away from size alone, so the giant arapaima evolved armor to withstand the bites.

但是据泰迪·罗斯福观察，水虎鱼群不会被体型吓倒，所以巨骨舌鱼为抵挡啮咬而进化出了一副盔甲。

Giant arapaima are massive fish, weighing close to 130 kilograms ( 300 lbs) at adulthood.

巨骨舌鱼是巨型鱼，成年时的体重近130公斤（300英镑）。