观赏鱼的国际贸易观赏鱼由于其颜色、形状、习性和来源被称之为“活的宝石”。在观赏鱼的国际贸易中２％为冷水性观赏鱼，而９８％则为热带观赏鱼；９０％为淡水观赏鱼，１０％为海水观赏鱼。就观赏鱼的市场构成而言，则９９％为家庭业余爱好者，１％为公共水族馆和研究单... International trade of ornamental fish Ornamental fish are called “living gems” because of their color, shape, habit and origin. In the international trade of ornamental fish, 2% are cold-water ornamental fish, while 98% are tropical ornamental fish; 90% are freshwater ornamental fish and 10% are marine ornamental fish. In terms of market composition of ornamental fish, 99% are family amateurs, 1% are public aquariums and research monographs ...