The Great Barrier Reef

Wednesday 2nd May 2012

Facts about the Great Barrier Reef

  • The Great Barrier reef is the worlds largest reef system.
  • The Great Barrier Reef is made up of over 2,900 individual reefs.
  • The Great Barrier Reef has over 900 islands stretching over 2,600kms
  • The Great Barrier Reef can be seen from outer space.
  • Tourism to the reef generates approximately $4-5 billion per year.
  • 30 species of whales, dolphins and porpoises have been recorded in the Great Barrier Reef.
  • Six species of sea turtle come to the reef to breed each year.
  • 215 species of birds, including 22 species of seabird and 32 species of shore birds, visit the reef, nest or roost on the islands.
  • 17 species of sea snake live on the Great Barrier Reef.
  • More than 1,500 fish species live on the reef.

Human Impact on the Great Barrier Reef


  • Overfishing can have a devastating effect on the ecosystem.
  • Fish numbers drop and the food chain on the reef breaks down.
  • There are heavy fines for people that break the law and overfish the Great Barrier Reef