These are ornamental fish. You are not allowed to catch them.

这里是观鱼区，不允许钓鱼。

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However, the ornamental fish is a very large space to enjoy this design.

不过，观赏鱼却是十分享受这种大空间设计。

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Keeping ornamental fish as pets is one of the most popular hobbies in the world.

饲养观赏鱼当宠物是世上最受欢迎的嗜好之一。

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"Fish-farming on a local basis exists throughout Southeast Asia, but to become a global presence a firm must overcome this obstacle, " says Gerald Bassleer, managing director of the industry's trade group, the Ornamental Fish International in the Netherlands.

FORBES: Magazine Article

Among the other applications of the same genetic technology, one has been on the market for several years: a beautiful ornamental aquarium fish called the Glofish, a zebra fish genetically altered to make it fluorescent.

FORBES: Frankenfish Fatuity