Coral reefs are disappearing around the world as a result of rising ocean temperatures. This loss represents not only the collapse of an irreplaceable ecosystem, but the loss of a major food source for people, particularly in Asia and Africa. Famine in these areas could force large scale migration of people, resulting in extreme political instability.
The #greatbarrierreef is home to 134 species of #sharks and #rays
These often maligned apex predators play a crucial role in the #reef ecosystem by maintaining the species below them in the food chain and serving as an indicator for #ocean health