Tiger Shark
Galeocerdo Cuvier
Open sea
Indian Ocean, Temperate Atlantic, Tropical Atlantic, Tropical Pacific
About
Overview
The Tiger Shark is a large, powerful predator recognized by the distinctive dark, vertical stripes that adorn its body, which are most prominent in juveniles and fade as the shark matures. As the only extant member of the genus Galeocerdo, it is a highly migratory species found globally in tropical and warm temperate seas. It is known for its opportunistic hunting style and broad diet, often frequenting both coastal and offshore environments.
Distribution & habitat
This species is circumglobal, inhabiting tropical and subtropical waters across the Atlantic, Pacific, and Indian Oceans. While it is often associated with coastal areas, including river estuaries, harbors, and coral lagoons, it also traverses open ocean waters. It is frequently found near continental and insular shelves, demonstrating significant adaptability to various marine environments.
Appearance
Tiger sharks possess a robust, sleek body with a broad, bluntly rounded snout. Their most iconic feature is the pattern of dark grey to black vertical bars and spots on their sides, which provide camouflage. They exhibit countershading, with a lighter, white-to-yellowish underbelly that helps them blend into sunlit waters. Their teeth are uniquely shaped, featuring a saw-like, cockscomb design that is highly effective for slicing through tough prey.
Biology & behavior
Primarily nocturnal, these sharks are often more active at night when they move into shallower waters to hunt. They are solitary predators and are known for their curious nature. While they are apex predators, they are also opportunistic scavengers.
Feeding
Known for having the widest food spectrum of any shark, the Tiger Shark consumes a vast array of prey, including fish, crustaceans, sea turtles, marine mammals, sea snakes, and seabirds. They are also notorious for consuming indigestible man-made debris, earning them a reputation as "garbage eaters."
Distribution
Based on iNaturalist community observations