Swimming performance at different temperatures of three invasive stream fish species common in urbanized watersheds on Oahu, Hawaii

This dataset contains basic morphological data: total length, body depth, body width, weight, and swimming performance metrics: relative Uburst, relative Ucrit, absolute Uburst, and absolute Ucrit for hybridized Molly Poecilia mexicana X P. salvatoris X P. sphenops, Green Swordtail Xiphophorus hellerii, and Blackchin Tilapia Sarotherodon melanotheron collected from the Ala Wai and Halawa watersheds on Oʻahu in Hawaii between July 2023 – March 2024 and tested at three temperature treatments (20, 26, 28, and 32°C).