Black carp and grass carp morphometric measurements

Black carp Mylopharyngodon piceus and grass carp Ctenopharyngodon idella are morphologically similar species imported from eastern Asia to North America as biological...青鱼（Mylopharyngodon piceus）与草鱼（Ctenopharyngodon idella）为形态相似的物种，二者作为生物相关材料（原文语句未完整）从东亚地区引入至北美地区。