- Diet: Great white sharks are carnivores and feed primarily on seals, sea lions, fish, and other marine mammals.
- Predators: Great white sharks have few natural predators, but they can be killed by other large sharks, killer whales, and humans.
- Competitors: Great white sharks compete with other large predators for food, including other sharks, sea lions, and dolphins.
- Symbionts: Great white sharks have a variety of symbiotic relationships, including with remoras, which clean their skin, and with tapeworms, which live in their intestines.
Abiotic factors
- Temperature: Great white sharks prefer warm waters and are found in oceans around the world. They can tolerate a wide range of temperatures but prefer water between 54°F and 77°F.
- Salinity: Great white sharks are found in both saltwater and brackish water. They prefer salinities between 30 and 35 parts per thousand.
- pH: Great white sharks are found in waters with a pH between 7.8 and 8.2.
- Oxygen: Great white sharks need a lot of oxygen to survive. They can hold their breath for up to 5 minutes but typically only stay underwater for a few seconds at a time.
- Light: Great white sharks are most active at night and prefer dark waters. They have excellent night vision and can see in low light conditions.