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Old 07-08-2011, 01:29 PM   #1
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Question Sun Polyps-Does this coral get absolutely no benefit from light?

So I have a nice frag of sun polyps I picked up about a week ago. I currently have it in my 4g Pico.

Does this coral get absolutely no benefit from light? I've been feeding it every other day tiny pieces of mysis shrimp. Do I need to get every single polyp with food? I just fede one polyp now and the other ones that were open kinda closed.

Also, not all of the polyps have opened for me to feed....getting kinda worried.

I have them under a medium flow right now, I had them under no flow but when I moved them just now to a higher flow area they opened up more.

I'm just kinda confused with these guys. My first attempt even though I've been eying them for months. LOL

Anyone else have these and what have your experiences been with them?

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Old 07-08-2011, 02:02 PM   #2
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Not much. Only light needed is for you to see the coral. This coral is hard to deal with as each individual polyp needs to be fed. It has to be fed frequently and lighting and water column does not help. It wore on me so that I traded it to someone else who had the time.
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Old 07-08-2011, 02:05 PM   #3
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Hmm Ok. I have the time these days. lol So each polyp individually fed, got it. Does it mind a higher flow do you think? I'm just thinking placement now. How often were you feeding yours?

Thanks for the response
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Old 07-08-2011, 11:26 PM   #4
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I fed my sun corals a few hours after 'lights out'. If the polyps weren't already extended I'd feed some of my other LPS corals mysis shrimp (to get the scent in the water) then wait for the sun coral to 'bloom' (which usually occurred within 10min).

While polyps will disseminate a portion of the nutrition they obtain to adjacent polyps as long as there is interconnecting tissue, feeding each polyp is perhaps ideal. I'd turn off all circulation and feed as many of the polyps as possible (all of them if I were able), one to three mysis shrimp each.

Frequency of feeding: 3-4 times weekly (every other day would be good if you can do it). This coral is non-photosynthetic so it does not require light. I preferred turning off the circulation during feeding because the flow would sometimes wisk the mysis away from the tubastraea's grasp.

The way I fed this coral was somewhat time-consuming (fed each polyp mysis shrimp with a tweezer), which took about 30-45min (however I preferred target feeding over broadcast feeding). For smaller sun coral polyps I'd squirt cyclopeeze directly on them with an eye dropper.

Yellow/Orange sun coral (tubastraea sp.) & branching black sun coral (t. micrantha):



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Old 07-09-2011, 09:18 AM   #5
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Thanks very much for the response. I guess I'm doing ok then.

Just waiting on the biggest polyp to open finally, havent seen it open yet.n The others I've been able to feed at least.

thanks again! Hopefully mine will look as awesome as yours one day!
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Old 07-09-2011, 10:43 AM   #6
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Some people use a bottle method to feed they cut a plastic bottle and slip it over the coral and put the food in the top to keep other little critters from taking food away from the coral. They leave it on for 30 minutes to an hour.
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Old 07-09-2011, 02:47 PM   #7
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I dove the wreck of the Rohne a few years ago (the one used in the movie The Deep). In the daytime the interior was pretty plain, but at night it was covered in orange polyps. I mean covered. There was no natural light, so I assume they need none.
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Old 07-09-2011, 03:04 PM   #8
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No light. They usually live in caves.

Ime they are for experts or dedicated tanks. Like mel said, they wore on me. I eventually traded mine too.

But, I fed mine after lights out. Each polyp. Had to pour a little shrimp water in to let them know the shrimp were coming. Eventually I stopped feeding my tank because too much food was used trying feed this critter.

There is a photosynthetic coral that looks identical to a sun coral. Its called a super max or something like that. Terribly expensive if you can find one.
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Old 07-09-2011, 03:16 PM   #9
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If you are dedicated, non-photosynthetic corals and draggonets can be kept alive, but it requires real dedication that most of us can't generate over years and years.
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Old 07-09-2011, 03:51 PM   #10
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Actually I've been quite dedicated with my dragonet with good results. I hope to be as successful with the coral.

I've been feeding mysis is brine also good to feed?

Thanks so much for the input guys.
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