Refining a Nordmøre-grid for a Brazilian artisanal penaeid-trawl fishery

► The Nordmøre-grid was assessed in a Brazilian artisanal penaeid-trawl fishery. ► All Nordmøre-grids reduced bycatch with no significant impact on target catches. ► The results justify the adoption of a generic Nordmøre-grid off southern Brazil.