Zoo, Zoa, Poly

zoos and zoas are the same thing but palys are bigger. They are all in the same family though. I think that you have zoas.
 

saltn00b

Active Member
zoo and zoa are the same thing, people just choosing to truncate Zoanthid differently.
Palythoas are larger zoos. they usually have to be a diameter of larger than a dime at full size. they may also grow on stalks, depending on lighting. then there are Para's (not sure what the full length term is, parathoas, para-palythoas, para-zoas....etc) but these are the largest of the zoanthid type soft corals, almost always having a stalk and usually at least the size of a quarter or more.
 
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