<p>The zooplankton dataset contains samples collected during 2011-2015, from different stations located in the Romanian Black Sea area. Samples were collected using the Juday net, with an opening of 36 cm diameter and 150 µm mesh size from different depths, in cold and warm season . Zooplankton samples were analyzed both from quantitative (density and biomass) and qualitative (list of species) point of view.&nbsp;&nbsp;&nbsp;&nbsp;<br>&nbsp;</p>