Seasonal mesoscale shifts of demersal nekton assemblages in the subtropical South-western Atlantic

The present study shows a hitherto undocumented pattern of mesoscale seasonal shifts of teleost fish and cephalopod assemblages along the shelf and upper slope of southern Brazil. Through multivariate techniques we discerned four consistent groups: coastal, warm shelf, cold shelf and upper-slope assemblages. The warm shelf and the upper-slope assemblages were present year round, whereas the cold shelf assemblage occurred almost exclusively in...