Sharks play an important role in the ecosystem by maintaining the species below them in the food chain and serving as an indicator for ocean health. They help remove the weak and the sick as well as keeping the balance with competitors helping to ensure species diversity.

The Sharks species found inside the Galapagos Marine Reserve, are Hammerhead, Galapagos Sharks, Tiger Sharks, Galapagos Blacktips, Galapagos Whitetips reef Sharks, Whale Sharks.