Why are coral colourful?

[m2434]

Dana Riddle has an excellent multi-part series on Coral Coloration. A good read if you want to know more.

He's done a lot on coloration, here is some:

http://www.advancedaquarist.com/2009/1/aafeature1

http://www.advancedaquarist.com/2009/2/aafeature1

http://www.advancedaquarist.com/2009/4/aafeature1

http://www.advancedaquarist.com/2006/9/aafeature

http://www.advancedaquarist.com/2003/11/aafeature

http://www.advancedaquarist.com/2006/11/aafeature2

http://www.advancedaquarist.com/2006/12/aafeature2

http://www.advancedaquarist.com/2007/2/aafeature

http://www.advancedaquarist.com/2007/6/aafeature2

http://www.advancedaquarist.com/2007/7/aafeature1

http://www.advancedaquarist.com/2007/6/aafeature2

http://www.advancedaquarist.com/2007/7/aafeature1

http://www.advancedaquarist.com/2007/10/aafeature2

http://www.advancedaquarist.com/2007/11/aafeature

http://www.advancedaquarist.com/2008/1/aafeature3