First confirmed record of an established population of green swordtail (Xiphophorus hellerii Heckel, 1848) in EuropePencho Pandakov, Zhivko Barzov, Radoslav Moldovanski and Helena HuđekKnowl. Manag. Aquat. Ecosyst., 422 (2021) 31DOI: https://doi.org/10.1051/kmae/2021031
