海产硬骨鱼类 鳃和皮肤失水；尿液会排除一些水。 吞食海水和从食物中获取水分、鳃上的泌盐细胞将多 余的盐分排出体外。粪便和尿液也排除多余的盐分。 loses water through gills and skin body fluids ca.400 mOsm/kg. medium ca.1000 mOsm/kg removes salts via"chloride' salts lost cells in gills via feces salts and little water lost via scant urine gains water and salts by swallowing seawater and food FIGURE 13-3.Diagram summarizing osmoregulation of marine teleost.12 鳃和皮肤失水；尿液会排除一些水。 吞食海水和从食物中获取水分、鳃上的泌盐细胞将多 余的盐分排出体外。粪便和尿液也排除多余的盐分。 海产硬骨鱼类