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- Technical and economic viability of traps in the portuguese fishery of deepwater rose shrimp (Parapenaeus longirostris)Publication . Eichert, Moritz; Castro, MargaridaThe Marine Strategic Framework Directive and the Reformed Common Fisheries Policy are following the ambitious objective to stop the loss of biodiversity and to make fisheries more sustainable. In most cases several fishing practices for one species exist, while in the exploitation of deepwater rose shrimp (Parapenaeus longirostris) and other nektobenthic crustacean, exploitation is exclusively reserved to the demersal trawling fleet. Because of the environmental impact of demersal trawling especially in deep waters and bycatch proportions exceeding ethical and ecological limits alternative fishing practices are needed urgently. In the Azores, Canary Islands and Cape Verde shrimp fisheries developed using semi-floating traps, the present work provides information about the feasibility of using such traps in a commonly trawling dominated fishery of the deepwater rose shrimp. However the low abundance of the specie made experimental conditions unfavorable. More frequent the golden shrimp (Plesionika martia), a scavenging specie was caught. A broad range of baits was tested, including fluorescent light and proceeded baits such as sardine paste (chum) with promising outcomes for future research in this field.