Zoa and paly

[inthedeep2]

so what is the difference between the two?
what is the easiest way to tell them apart?

 

[parrthed]

http://www.reefcentral.com/forums/showthread.php?t=1967089&highlight=paly+vs+zoa

 

[cloak]

http://www.advancedaquarist.com/2003/2/inverts