Diet data used in: Pirroni et al. (2021) Comparative gut content analysis of invasive mosquitofish from Italy and Spain. Ecology and Evolution.

There are four different worksheets in this dataset, to supplement the data already provided within the appendix of the published study (Pirroni et al.: Comparative gut-content analysis of invasive mosquitofish from Italy and Spain).The first worksheet provides an overview over individual fish standard length (SL), gut length (mm) and relative gut length, the relative niche width and gut fullness.The second worksheet provides an overview over the total number of prey items found in the guts of fish from the 9 different study populations.The third worksheet shows the presence (1) or absence (0) of prey items (based on taxonomic groups) in the guts of individual fish from each of the 9 populations.The fourth worksheet shows presence (1) or absence (0) of detritus in the guts of the individual fish from each of the 9 populations.<br>

本数据集包含四个独立工作表，用于补充已发表研究（Pirroni等：《意大利与西班牙入侵食蚊鱼肠道内容物比较分析》）附录中已刊载的数据。第一个工作表涵盖单条鱼类的标准体长（standard length, SL）、肠长（单位：毫米）、相对肠长、相对生态位宽度以及肠道充盈度。第二个工作表汇总了来自9个不同研究种群的鱼类肠道内检出的猎物总数量。第三个工作表展示了来自9个种群的单条鱼类肠道内（基于分类类群的）猎物类群的存在（1）与缺失（0）情况。第四个工作表展示了来自9个种群的单条鱼类肠道内碎屑的存在（1）与缺失（0）情况。