“…Females predominated in the M. amazonicum populations in both environments through almost the entire study period. A female-biased sex ratio is common in crustaceans, given the importance of females for the recruitment process, especially in populations that breed continuously (Ayres-Santos, Freitas, & Montag, 2018;Castelo-Branco, Batista, Guerra, Soares, & Peixoto, 2015;Mendes et al, 2017;Mossolin & Bueno, 2002;Sampaio, Silva, Santos, & Sales, 2007). Even so, the males were larger than the females, which may reflect dominance behavior and territoriality, which favor larger individuals (Magalhães, Mossolin, & Mantelatto, 2012;Silva, Frédou, & Filho, 2007).…”