Prevalence of Gregarines and their relationship with water and soil quality in Penaeus vannamei aquaculture systems on Puná Island, Ecuador. Revista Científica Ciencias Naturales y Ambientales, [S. l.], v. 20, n. 1, 2026. DOI: 10.53591/kcjywh62. Disponível em: https://revistas.ug.edu.ec/index.php/cna/article/view/3387. Acesso em: 26 oct. 2026.