Published on 25. June 2018 Discovery of a multispecies shark aggregation and parturition area in the Ba Estuary, Fiji Islands Tom Vierus, Stefan Gehrig, Juerg M. Brunnschweiler, Kerstin Glaus, Martin Zimmer, Amandine D. Marie, Ciro Rico ABSTRACT: Population declines in shark species have been reported on local and global scales, with overfishing, habitat destruction and