Sharks are fierce hunters. They use their senses to help them find and eat animals like seals, octopuses, sea turtles, fish, and even birds. When a mother shark lays eggs, the eggs hatch and pups swim out. Small pups will some day become huge hunting sharks.Sharks are fierce hunters. They use their senses to help them find and eat animals like seals, octopuses, sea turtles, fish, and even birds. When a mother shark lays eggs, the eggs hatch and pups swim out. Small pups will some day become huge hunting sharks.