The hammerhead shark is a fierce predator, primarily hunting small fish, octopuses, squids, and various other crustaceans. While humans are not their preferred prey, these “unusual” animals will defend themselves and attack vigorously when provoked.
The hammerhead shark is also one of the most skilled predators, with a uniquely shaped head that is quite useful in searching for food.
- Common Name: Hammerhead Shark
- Scientific Name: Sphyrnidae
- Type: Fish
- Diet: Carnivorous
- Average Lifespan in the Wild: 20 to 30 years
- Size: 13 to 20 feet (approximately 4 to 6 meters)
- Weight: 500 to 1,000 pounds (approximately 225 to 450 kg)
The large head helps them sweep deep into the ocean floor to search for food easily.
Unique Characteristics
The eye placement of the hammerhead shark allows for better vision compared to most other shark species. Additionally, specialized sensory organs distributed across their large head enable them to sweep deep into the ocean and locate food more easily.
Hammerhead sharks possess a group of sensory organs known as “Ampullae of Lorenzini”, which allow them to detect electromagnetic fields and the movements of their prey. The sensitivity of these Ampullae in hammerhead sharks is quite high, making it easier for them to find their favorite meals, such as stingrays, even when these resilient creatures are well-hidden beneath the sand.
Hammerhead Shark Population
The great hammerhead is the largest species among the nine known hammerhead shark species to date. They can grow over 20 feet (6 meters) in length and weigh more than 1,000 pounds (450 kg), but smaller species are more commonly found in various marine regions.
Primarily found in temperate and tropical waters around the globe, both nearshore and offshore, hammerhead sharks are often seen in large migratory groups during the summer, seeking cooler waters. They typically have a gray-brown or olive-green coloration on their upper body and a white belly, along with strong jaws featuring extremely sharp serrated teeth. Notably, their distinctive dorsal fin makes them easily recognizable compared to many other shark species.
Interaction with Humans
Most small hammerhead sharks are considered harmless to humans.
Most hammerhead shark species are relatively small and considered harmless to humans. However, the larger and more aggressive hammerhead sharks can be quite dangerous, though very few attacks have been recorded.
Some Interesting Facts about Hammerhead Sharks
- Hammerhead sharks use their large heads to pin stingrays to the ocean floor when they resist.
- Hammerhead sharks have a unique type of muscle that allows their heads to move up and down very flexibly.