Shifts in the size-structure of an exotic prey prevent native top predator recovery

DATA_PELD_CPUE.txt: Database containing capture per unit of effort, average weight, total biomass captured by species and lake. Data_prey_measures.txt: total length, standard length, and weight of all Nile tilapia catch by month and lake.DATA_PELD_CPUE.txt：该数据库包含按物种和湖泊划分的单位捕捞努力量渔获量（catch per unit of effort, CPUE）、平均体重及总捕捞生物量数据。Data_prey_measures.txt：该数据集包含按月份和湖泊划分的所有尼罗罗非鱼渔获物的总长度、标准长度及体重数据。