Can anyone tell me what these are?
- Thread starter Kristin1234
- Start date
pegasus
Well-Known Member
They appear to be a type of zoanthid, but it's hard to tell which kind. Even when they're expanded, there are so many that look a lot alike, and are just as many goofy names to go with them, that it can be really difficult to nail it down to one specific type. Zoanthids and button polyps are medium light corals (though they can do well under bright light), so they should de fine where they are... at least for the time. How is the flow where the rock is? If it's too strong, you may not get too good extension of the polyps, especially the xenia. They like a light to moderate flow. I keep mine in an area where they sway gently when fully expanded. Since they're filter feeders, I target feed mine a 50/50 blend of Marine Snow and Phytoplex once every week or two using a turkey baster.
That's a good location for that rock, as it will "seed" the surrounding rocks with that beautiful green coralline algae.
I came up with a name for the zoas just going by the cream pie color of the few that are slightly open, but it doesn't sound appropriate enough to post on a public forum... lol!
That's a good location for that rock, as it will "seed" the surrounding rocks with that beautiful green coralline algae.
I came up with a name for the zoas just going by the cream pie color of the few that are slightly open, but it doesn't sound appropriate enough to post on a public forum... lol!
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Kristin1234
Active Member
Hey Pegasus, these guys still haven't opened up! Should I be concerned?
pegasus
Well-Known Member
Wow... it's been two weeks since you posted those pictures. Do they still look the same? If they were disappearing, I'd be concerned, but it is strange they never open. They may be getting enough light and feeding off of the zooxanthellae algae that lives inside of them, or they may be feeding at night. It's not normal for them to be open at night, but it does happen occasionally. As long as they aren't dying off, I wouldn't worry too much. If you find any that are open, you might spot-feed them some small brine or mysis shrimp, or even some crushed flake food. This might encourage them to open up, or at the least, give them a little extra energy.
Kristin1234
Active Member
They haven't done anything. No color change, no opening, no closing. It's like they are dormant.
Kristin1234
Active Member
I'm wondering if they truly are zoas?
I have another little patch of zoas that are looking great, but these ones not so much.
I have another little patch of zoas that are looking great, but these ones not so much.
Kristin1234
Active Member
I'd say medium. They are at the bottom of the front of the tank. They get good light and nice flow.
I had them higher up but the xenias weren't happy there.
Kristin1234
Active Member
When I bought them they looked the same.
I've never seen them open.
They were just a little bonus of the xenia rock.
I've never seen them open.
They were just a little bonus of the xenia rock.
Kristin1234
Active Member
Yeah, I can move them. Maybe a rock higher and see what that does.
I wonder if they are dead? I mean hey haven't been eating and it's been almost a month.