Effect of octopamine on (Na+, K+)-ATPase activity in selected ontogenetic stages of Macrobrachium amazonicum - Lucena, Malson Neilson de; Pinto, Marcelo Rodrigues; McNamara, John Campbell; Leone, Francisco de Assis (Simpósio Internacional de Pós-Graduação e Pesquisa (SINPOSPq), 2012)