BIO007 Effect of octopamine on (Na+,K+)-ATPase activity in selected ontogenetic stages of Macrobrachium amazonicum

Abstract

Crustaceans are predominantly marine organisms. Although many have become independent of seawater, completing their entire life cycles in freshwater, others still appear to be invading this medium, as suggested by their larval developmental sequence being dependent on brackish water and by their characteristic metabolic, osmotic and ion regulatory mechanisms. Several biogenic amines have been proved to be involved in the osmoregulatory mechanisms of various decapods crustaceans.