Ralph Pace / Silky Shark (Carcharhinus falciformis), Galapagos Shark (Carcharhinus galapagensis), Dusky Shark (Carcharhinus obscurus), and Black-tip Shark (Carcharhinus limbatus) group working with Yellowfin Tuna...

Ian Coleman / Illustration of Dusky shark (Carcharhinus obscurus), Carcharhinidae. Endangered / threatened species.

Juergen Freund / Dusky shark feeding at surface {Carcharhinus obscurus} Red Sea Bronce whaler