Carcharhinus Obscurus



Onshore, Offshore

350 - 765 pounds

130" - 168"

Dusky Shark

Also Known As: Brown Shark, Bronze Whaler, Common Whaler, Shovelnose, Bay Shark and River Whaler

Guides Who Fish This Species

Dusky Shark (Carcharhinus obscurus) Fish Description

Also known as brown shark, bronze whaler, common whaler, shovelnose, bay shark, and river whaler, the Dusky Shark is an endangered species of requiem sharks. 

The most distinct feature of dusky sharks is their round snouts. They have slender bodies and long sickle-shaped pectoral fins. Their first dorsal fins have slopes. They possess interdorsal ridges on their backs. Their color is usually blue-gray to dark-gray on the dorsal side and white on the ventral side. The Dusky Sharks have triangular saw-edged upper teeth.


Dusky Shark Diet

Dusty Sharks have a wide variety of choices for their diet. They particularly love cephalopods, bony fishes (like bluefish), rays, and fellow sharks. They also feast on sea turtles, crustaceans, marine mammals, and even carrion and garbage. Also part of the Dusky Sharks’ favorites is the pelagic fishes like tuna, mackerel, herring, anchovies, and flying fish, among others.


Dusky Shark Size

Dusty Sharks can grow up to 14 feet or 148 inches and weigh up to 765 pounds. This requiem shark is one of the largest in its family. Female Dusky Sharks are generally larger than the males; the former can measure up to 11.8 feet while the latter, 11.1 feet.


Interesting Facts About the Dusky Shark 

  • Dusky Sharks reach adulthood at around 20 years old, making them one of the slowest-growing and/or latest-maturing sharks. They may live up to 50 years.
  • They live a nomadic and migratory l