Transgenic zebrafish engineered to glow various colors have escaped likely illegal aquariums in Brazil into natural waters. The fish are now observed to be mating in the wild and growing in numbers. ThePrint’s Sandhya Ramesh explains more. Brought to you by  @Kia India  ----more----Subscribe to the Pure Science Telegram Channel https://t.me/PureScienceWithSandhyaRamesh----more----Supplementary reading: Magalhães, et al., 2022, The fluorescent introduction has begun in the southern hemisphere: presence and life-history strategies of the transgenic zebrafish Danio rerio (Cypriniformes: Danionidae) in Brazil, Studies on Neotropical Fauna and Environment,: https://www.tandfonline.com/doi/full/10.1080/01650521.2021.2024054