Do by-catch reduction devices in longline fisheries reduce capture of sharks and rays? A global meta-analysis Study Type: Summary studyLocation: globalTarget catch: TeleostsArticle: Do by-catch reduction devices in longline fisheries reduce capture of sharks and rays? A global meta-analysis Bycatch species: ElasmobranchsReduction technique: Alternative leader designCircle hooksElectromagnetic deterrentsRaised demersal longlinesFishing Gear: Hooks-and-Lines