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随着各国经济的发展,人民牛活水平的不断提高,饲养五彩缤纷,婀娜多姿的观赏鱼来点缀居室、庭院、游览场所和美化环境已成为各国人民普遍的一种嗜好, 据估计,在2100万英国人家庭中,有近l4%饲养观赏鱼类,其中,5%养于花园池中,5%养于无加热的淡水水族箱内,3%养于加热淡水水族箱内,不到1%养于海水水族箱内。美国的8600万家庭中,有近8%饲养观赏鱼类,其中17%饲养于淡水水族箱内。
With the economic development of all countries, the continuous improvement of people’s livelihood and the feeding of colorful and graceful ornamental fish to embellish their living quarters, courtyards, tourist attractions and landscaping have become a common hobby for all peoples. It is estimated that 21 million British Nearly 14% of families have ornamental fish, of which 5% are kept in garden ponds and 5% are kept in unheated freshwater aquariums; 3% are kept in heated freshwater aquariums; less than 1% are kept in seawater Inside the aquarium. Almost 8% of the 86 million U.S. households have kept ornamental fish, of which 17% are kept in freshwater aquaria.