English Dusky Sharks severely overfished Dusky shark (C. obscurus) Happy Little Nomad/Wikipedia Dusky Sharks severely overfished dusky severely overfished Dusky Sharks English severely overfished source English Dusky Sharks Dusky Shark dusky shark Dusky Sharks Dusky Shark dusky shark English Dusky Sharks Dusky Sharks English Dusky Shark source Dusky Sharks hier Dusky Sharks severely overfished Dusky Sharks English dusky shark severely overfished English Dusky shark (C. obscurus) severely overfished Dusky shark English dusky shark dusky shark Dusky shark Dusky shark severely overfished English Dusky Shark o Dusky Whaler