Zoanthids care should be hard but vigilant....

The key to keeping any Zoanthids or Palythoa is to not care too much. They do not like being moved about and messed with all the time, once they settle they will grow away nicely but with constant changes to lighting, flow or placement they will have to adapt and will not settle leaving them open to decline or infections due to weakness. Zoanthids vary in growth speeds so even when left and settled you will find some grow like weeds and others do very little or only grow another polyp every six month to even a year.

Several factors will impede the growth and health of you zoanthids/palythoa they are light, flow, pests & desease and last of all water quality.

Water quality is almost all they will ever need

Zoanthids cannot take in the light needed or sometime even open up if algal films grow on or over them, this is the most common problem when in tanks with poor water quality, they do naturally sloth the outer tissue and this actual removes the algae but bare in mind this has used up the corals energy and it is has to do it too often it will wither and die. Flow and manual removal of any algal film that form on your zoanthids will help to keep it fromcausing any major issues but as with everything in a reef tank you should always sort out the problem causing the algae.


The Perfect Placement

Zoa's and Paly's do not like sand on them and even food and mulm from your tank will often cause them to react to shift this irritation, every time your corals open and close or shed their slime coat to remove dirt they are using up energy and wasting it. If a Zoa or Paly is left on a sand bed it will constantly be dealing with this issue and alongside the irritation bacteria and infection is often caused by contact with the substrate.

Zoa's and Paly's should be securely attached to rock work to allow them to grow out and to give good flow around the tissue that form both the mat and the stalk of the coral. If they are not attached well they can fall and get damaged, they will use a high amount of energy recovering and days upside down on the substrate without light can weaken the entire colony.