Dusky Whaler, Carcharhinus obscurus (Lesueur, 1818) - The Australian Museum
Dusky Shark | Consortium for Wildlife Bycatch Reduction
GAIA Conservation - The Dusky Shark (Carcharhinus obscurus) has a cosmopolitan but patchy distribution in tropical and warm temperate seas from the surface down to depth over 500m. C.obscurus estimated size to