Size structure, length-body mass relationship and condition factor of nine fish species in the rivers off Zamora Chinchipe, Ecuadorian Southern Amazon. CIMAR UAS [Internet]. 2025 Dec. 19 [cited 2026 Sep. 22];3(1):26-48. Available from: https://revistas.uas.edu.mx/index.php/CIMAR/article/view/1394