日本,为了提高幼鱼的成活率并作运输、展览等用途,试制了一种新型的养鱼水槽(见附图)。一、水槽的容积:外部尺寸160×100×60cm;内部尺寸为150×90×60cm。二、水槽的特点:1,利用一种特殊的水压装置,能自动排除水底的污物,以减少鱼类的死亡率。2,养殖对象广泛,如鲤、鳟、鳗鲡、虾等都 Japan, in order to improve the survival rate of juveniles and for transport, exhibitions and other uses, trial production of a new fish tank (see photo). First, the tank volume: external dimensions 160 × 100 × 60cm; internal dimensions of 150 × 90 × 60cm. Second, the sink features: 1, the use of a special pressure device, can automatically rule out the bottom of the dirt to reduce fish mortality. 2, Breeding a wide range of objects, such as carp, trout, eel, shrimp and so on