(l) Preparation of grids, including bathymetry, slope surface, slope of slope and profile curvature, according to preset guidelines;

The bluntnose sixgill shark (Hexanchus griseus) has an almost circumglobal distribution in tropical and temperate seas on the continental and insular shelves and upper slopes at depths from surface to at least 1,875 m, but it is mostly a deep water shark.