1. Great White Shark (Carcharodon carcharias): Known for its large size and powerful jaws, the great white shark is one of the most feared predators in the ocean.
2. Tiger Shark (Galeocerdo cuvier): Tiger sharks are known for their aggressive behavior and opportunistic feeding habits, making them dangerous to humans.
3. Bull Shark (Carcharhinus leucas): Bull sharks are highly adaptable and can tolerate various habitats, including estuaries and rivers, increasing their potential for encountering humans.
4. Oceanic Whitetip Shark (Carcharhinus longimanus): Oceanic whitetip sharks are often found near fishing vessels, making them more likely to come into contact with humans.
5. Mako Shark (Isurus spp.): Mako sharks are fast and powerful predators known for their unpredictable behavior and have been responsible for several attacks on humans.
6. Blue Shark (Prionace glauca): Blue sharks are curious and have been known to approach humans closely, leading to occasional encounters and attacks.
7. Hammerhead Sharks (Sphyrnidae): Several hammerhead shark species, including the great hammerhead (Sphyrna mokarran) and scalloped hammerhead (Sphyrna lewini), have been involved in attacks on humans.
It's important to note that many shark species are not considered dangerous to humans, and the risk of a shark attack is generally low. However, exercising caution and being aware of potentially hazardous areas and circumstances is essential to minimize the chances of an encounter with a dangerous shark.