Coral reefs are warm waters that have an average temperature of 30 degrees, with a Salinity level of 34 ppt. The average depth of a coral reef is 150 ft or less.
They are Multicolored ecosystems consisting of yellow, blue, and reds.
Abiotic features of this are Temperature oxygen and waves, with the biotic features of coral, sharks and algae.
Coral reefs are most likely to be found in the tropics, and some inhabit continental shelves.
Humans impact.