Review of studies on catch rates of commercial and bycatch species by hook type using in pelagic tuna longline fisheries

Tunas and swordfish are main target of the pelagic tuna longline fishery which incidentally non-targeted species such as sea turtles and sharks. There is a variety of hook types in terms of shapes and sizes, which are separated into three groups, i.e. “J” hooks, Japanese tuna hooks and circle hooks. This document overviewed catch rates for main species and bycatch species reported in the published scientific papers and documents.