Arapaima live mainly in South American rivers, it is South America's largest freshwater fish, into fish up to 2-6 meters long and weighs up to 100 kg. Great shape, distributed in Brazil, Guyana and Peru
巨骨舌魚主要生活在南美洲的河流中，是南美大陆最大的淡水鱼, 成鱼体长可达2-6米，重可达100千克。体形巨大，分布于巴西、圭亚那和秘鲁
Wild catches have dropped substantially, Arapaima has a huge economic value. Arapaima an average of 70 kilograms of fish. In Brazil, the indigenous population under license from the local government, can kill a certain number of Arapaima as a food, but the number and size of the fish are strictly limited.
野外渔获量已大幅度下降，巨骨舌鱼具有庞大的经济价值。一条巨骨舌鱼平均有70千克的鱼肉。在巴西，土著居民在当地政府的许可下，可以猎杀一定数量的巨骨舌鱼作为食用，但数量和鱼的大小都有严格限制。
(credit from ycwb)
This is a long time ago I saw a blog, sources in English, you can be shocked from google search, fishing scenes, holding the stick to kill the fish, in many Southeast Asian countries, farmed arapaima
这是我在很早以前看到的一篇blog, 英文版的来源，你们可以从google搜索，捕鱼的场面很震惊，手拿木棒杀鱼
In China, we only see in zoos, aquariums where they are, alien species, are prohibited into the lake, so we have no chance to catch this fish in China. This is what I saw in Beijing Aquarium giant bone tongue fish, Hangzhou and Shanghai Aquarium
在中国，我们只能在动物园，海洋馆里见到它们，外来物种，一概不准放入湖泊，所以我们是没有机会在中国钓到这种鱼.这是我在北京海洋馆见到的巨骨舌魚， 在杭州和上海的海洋馆也有