近年来随着河蟹(中华绒螯蟹)养殖规模的不断扩大,河蟹种质退化已引起高度重视,其提纯复壮的相关研究相继展开,本项目为探讨改良河蟹的种质途径,从欧洲莱茵河引进河蟹亲本,开展了人工繁殖,并成功繁育出大眼幼体。在此基础上项目组进行了莱茵河水系河蟹(彩色照片见本期彩中插2)与 In recent years, with the increasing scale of crab breeding, the degeneration of crab germplasm has drawn great attention, and the related researches on its purification and rejuvenation have been carried out one after another. In order to explore the germplasm pathway of improved crab and crab from the European Rhine The introduction of crab parents, carried out artificial breeding, and the successful breeding of large eyed larvae. On this basis, the project team carried out the Rhine River crabs (color photos, see the current color interpolation 2) and