Effects of homologous atrial natriuretic peptide on drinking and plasma ANG II levels in eels

Eels adapted to either freshwater or seawater were used in the investigation of the effects of atrial natriuretic peptide (ANP) on drinking and the levels of angiotensin II. Results reveal that ANP decreased both drinking rate and angiotensin II levels in eels although the magnitude of reduction was greater in freshwater-adapted eels. Whether the reduction in drinking rate was secondary to ANP or the reduction in angiotensin II levels was not established.