Creating the perfect rock for h. crispa

King-Kong

New member
I currently have a 90g SPS tank. The SPS are thriving and I am getting over 1" growth/mo. on certain types.

In this tank I have a newly formed pair of Cinnamon clowns, and I would really, really, like to get them an anemone.

Now, from what I've been able to read, all anemones will move if unhappy -- that is unavoidable. What I am trying to attempt, however, is to create a rock with a good enough base/hole in it that the anemone will at least feel satisfied with 1 attribute out of its many, and will stay put on that rock. I also hope that by aiming for a h. crispa instead of a BTA, I can further reduce the chance of movement, and spare me the possible death of my precious SPS corals.


Here is a picture of the rock I made. The hole curves into the rock and is the depth of my index finger (aprox 3.5"). The opening in the top is aprox. 1.5" wide:

a05-anemone-rock.jpg


a06-anemone-rock.jpg




So what do you think? Will I be doing this anemone a service? Make it's base feel more protected/secure?
 
I bought a piece of base rock out of a bin that had a big creator/hole on one side of it. (about 2 inches around, and 1 1/2 inches deep)

I tossed it in the tank where i needed it.

A few weeks later my bta split three ways, and wouldent you know it one of them found that hole and has been it in ever since.

So I think you have a good shot. The smoother the better to Ive observed :)
 
Crispa have a much broader foot and less flexible column than a BTA. The depth is good but the diameter of the hole needs to be about 3.5" in my opinion.

It might be just as happy if you made a cave for it and let it attach to the bottom of your tank.

FWIW: crispa are often found in old colonies of staghorn corals with their foot wrapped around the dead branches.
 
I think both bigger and deeper would be beneficial, depending upon the size of the specimen you are getting. Medium to large size specimens prefer holes much deeper and wider than that, IME. I have seen this species extend its foot to over 12" to reach the bottom of a crevice. In both sand dwelling and rock dwelling H. crispa, I have noticed that they often prefer to have their foot and even column completely hidden from the open.
 
or you can have one like mine that thinks it is cool to detach it's foot completely and then do a lap around the tank every week or two!
 
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