FalklandsArticle: Experimental fishing with an "umbrella-and-stones" system to reduce interactions of sperm whales (Physeter macrocephalus) and seabirds with bottom-set longlines for Patagonian toothfish (Dissostichus eleginoides) in the Southwest AtlanticTarget catch: Patagonian toothfishStudy Type: Field study in the wildEffect on target catch: Catch was reducedEffect on bycatch species: No bycatchBycatch species: SeabirdsFishing Gear: Hooks-and-LinesReduction technique: Sub-surface bait setting