人们熟悉的虾、蟹、鱼等动物,不仅是水生态系统中的主要物种,而且也是人类重要的养殖对象和蛋白质来源。然而,你是否知道这些动物有着艰难的“婴幼儿”时期呢?这些均为自然孵化的水生动物,孵出后就开始了独立生活,必须自己寻找食物,但它们的身体十分幼小,口就更小了,口径仅有220×290微米左右。因此,体微口小的它们必须摄食很 Familiar animals such as shrimp, crab and fish are not only the major species in aquatic ecosystems, but also important breeding targets and sources of protein for human beings. However, do you know that these animals have a difficult “baby” period? These are naturally hatching aquatic animals that start their independent life after hatching and must look for food on their own, yet their bodies are young and their mouths even more Small, caliber only about 220 × 290 microns. Therefore, the body micro mouth small they must eat very much