The entire arrangement makes it easy for this bifocal fish to spot a tasty bug flying above the water, or a bit of algae below.

这个构造使四眼鱼能够很轻松地发现一只从水面飞过的美味的虫子，或者水面下的一点水藻。

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For example, a very common sign is the fish (see below).

例如下图是一个普通的鱼形字符。

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No new rights are given over fish or other creatures in the water column, but living creatures on or below the seafloor that are immobile “at the harvestable stage” are treated like minerals.

对于水层的鱼和其他生物，现在还没有新的规定，但是对于那些生长在海底上面或下面的生物，在“丰收季节”是不会移动的，它们也是一种矿藏。

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But dams, diversions and recent drought have combined to push the spawning salmon population in the Klamath well below the 35, 000-fish threshold deemed necessary for the river to maintain a sustainable salmon population.

ECONOMIST: Saving the fish of the Klamath river

At the pan-Asian restaurant, the spare and chic Sangkar, chef Andrew Skinner, an old Pacific hand, prepares a flavorful mix of regional cuisines--Indonesian, South Asian and Japanese--often using fish hauled from the ocean just below, along with local produce, meats and spices.

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His job was to shout when he spotted a shoal of fish enter the cove, so the team below could trap and catch it.

BBC: Oman��s sleepy Musandam Peninsula