Abundance of young mullet Mugil liza Valenciennes, 1836 in the surf zone along the southern coast of Brazil

This dataset presents abundance data of juveniles Mugil liza recorded in surf-zone in south Brazilian coast. The fish were collected monthly between June 2011 and May 2012 in the surf zones adjacent to the mouths of the six estuaries from 29°S, 48°W to 34°S, 53°W.