The dusky shark is currently listed as Vulnerable by the IUCN, but populations continue to decline. The dusky shark is one of the slowest-growing, latest-maturing sharks, bearing small litters after a glong gestation period. These...
Sounds produced to disrupt the normal echolocation abilities of cetaceans. Preliminary research in Europe has shown some promise that these devices reduce depredation by bottlenose dolphins in gillnets and trammel nets, although habituation may be a challenge (S. Northridge, pers. comm.)