Over the last few years, Department fish hatcheries have been developing and perfecting a new, cutting edge technology for rearing walleye to larger sizes in less time than pond culture techniques used in the past. Indoor rearing in tanks gives us more control over factors that can affect survival and growth of fry and fingerling walleye in the hatchery, resulting in bigger fish for stocking. These advancements developed by Department staff are being recognized and adopted nationally and interna