Coral Polyp Extrusion site

[EricHugo]

Hi all:

I have just created a site for the images you all have sent me over the past few years on the phenomenon where coral tissue appears to flow or drip from the colony and form daughter colonies.

This site is made as an addendum for a publication that will hopefully be in the journal Coral Reefs where it has been submitted.

However, in all the updates, file moving, printing, and now site work, I have lost much of the supplemental information that you guys have provided. I have not included your names or emails to respect your privacy, but if you would like me to do so, or add your name simply for credit of that page, please let me know.

Alternately, if you have had this phenomenon occur, and have not provided the information for your coral, or photos, please let me know by email to eborneman@uh.edu I would very much like to add this to the site as it happens.

Please excuse some of the page design yet...it is still a work in progress.

Thanks for your help and future contributions.

site: www.bchs.uh.edu/~coralreef

and then click on "Coral Polyp Extrusion"

[jimroth]

The site's not coming up for me. Do they turn off the server on Fridays?:)

[EricHugo]

Hi Jim:

No, it was likely me messing with the site at the time...try again. thanks!

[F8LPONY]

Now that is interesting.

I had a paradivisa that did something very similar to those in the pictures on the site.

Mine would get this huge bubble like thing going on in the middle of one or more of the heads and it ultimately looked like it would simply pop, they color also went sickly pale. I ca't remember exactly but I think when everything cleared up there would now be 2 heads in place of the one, or almost anyway. Then each semi new head would turn into a stalk.

I wish I had documented this when it was happening but I was so new the corals that I didn't know any better. But explains why I started with 4 heads and ended up with 11 in it's glory day.

Thx for putting this together :)

[elefink]

I got a pavona frag recently that drips a bit from between the ridges. Unfortunately, I haven't got a digital camera or a scanner. I'm just glad that it might be normal. I was afraid the thing was in trouble.

[JCorbett]

I have a gorgonian that has started the process a few months back. The extrusion is over an inch long.

[EricHugo]

If you guys can send photos or documentation, I would greatly appreciate it.

[Xanareef]

What an interesting read, Eric!

Alexis

[EricHugo]

I've added a lot of other stuff to the site last week including information on brown jelly, etc. You can go to the front page and click on student research and see the rest of my site thus far. I'm so glad I finally learned how to do a web site. Problem is, it's addictive once you start.

[Nyxll]

Hey Eric

I know a local reefer that has a maze brain that does this all the time he says. I will have to let him know about this thread & get you a better picture, exposure was too low.

http://ark.mudservices.com/nyxstuff/maze_extrusion.JPG

Greg

[EricHugo]

Greg: PLEASE DO! That would add a whole new genus for me!

[ReefMon]

Great work Eric!

FYI
I had a Blastomussa wellsi that would routinely "drip" buds off. Unfortunately I've lost both the blasto and all my photos of it, so I can't add much more than my observations.

Happy Reefing!
Glenn R

[kevinpo]

Very cool pictures! I have a Nemenzophyllia (Fox coral) that exhibits this behavior also. I have sold/traded off the daughter buds.

Regards,
Kevin

[EricHugo]

Hi Kevin:

any images from that? Does it still do it?

[kevinpo]

Hi Eric,
No pictures. I have it in a lower light area and they didn't come out well. It continues to do this on a regular basis. I will move it to a better location. (I hope it doesn't become like the proverbial watched pot :) ).

Regards,
Kevin

[Doppler]

Heres my zoo's doing it.It's hard to see because i had to reduce the pic so much:rolleyes:

[EricHugo]

please note that the website address has been changed in the post to its new name

www.bchs.uh.edu/~coralreef

Thanks

[ALIFER]

I have a hammer that has been growing in my little ALIFE 7 for a couple of years now. It has started showing signs of coral polyp extrusion. I posted a couple of pictures on the Nano-Reef website and found out about this forum. Check out the pictures on this link.
Rick
http://www.nano-reef.com/forums/showthread.php?s=&threadid=28634

[scottdkk]

i have a paradivsa (frogspawn) that is doing it now i will try to get pics tonite. i also have daughter colonies from previous splits.

[Nukeproof]

Here is a picture of my hammer doing it. It did it on me 2 months ago and I poped it 1 month later. Now it's back. Here is a picture I took last night. I was refer here by TippyToex in the General Forum when I posted the picture.

Patrick

[bump321]

I have a frog spawn that is puffed up like your hammer and i also have a candy cane that is melting as well. Thay are in the same tank and are doing this now. The candy cane has done this once before just not as much as this time.

Bump

[EricHugo]

Can you provide photos and some background information?

[ALIFER]

This picture was taken on 4-6-04 and shows the section starting to pull away.

[bump321]

Hello
There are two frog spawns and two candy canes pitcures. The ph was a bit low the last time I checked it, so was the alkalinity. Sometimes i add liquid calcium, coral-vite, strontium and molybdenum. I also add essential elements. Then, every now and then I add iron and iodine. I have no set routine for this. I do a 20-30% water change once a month. The calcium level was 460. I have 6 VHOs, 3 50/50s and 3 blues. The tank is 100 gallon and has soft corals, hard corals both large & small, and clams. It has a sump, skimmer, and three power heads. I feed them dt's and sometimes frozen, sometimes shrimp pellets. there are 6 fish.

Thanks Bump

This is the first candycane. (http://www.zavclin.com/falknor/candycane.jpg)
Second candycane. (http://www.zavclin.com/falknor/candycane2.jpg)
This is frogspawn1 (http://www.zavclin.com/falknor/frogspawn1.jpg)
frogspawn2 (http://www.zavclin.com/falknor/frogspawn2.jpg)

ps- i hope thse pictures help

[bump321]

Hi guys
I am sorry the pictures are so big.
Bump

[bump321]

Eric
The tank has been set up for 2 1/2 years. I left that out, thought you might need to know that. This tank has stocked my other two tanks, my brothers 2 tanks, some of his friends tanks and i have sent frags to a place called GARF. I have a LFS that sales them as well. They all seem to like my goodies. Sorry if the info was not much help.
Bump

[ALIFER]

Well the first picture was way to small, so I have a new one that was taken today.
Does anyone have advice on the care of newly separated polyp extrusions?
I was thinking of super gluing it to a rock or shell just like a soft coral frag.
Rick

[bump321]

This is the last bit of info. The tank is in full sun all day,i run lights from 11:00am to 12:00pm. The blue ones on first & off last and the temp. is now 78, in the summer it runs 80/82 it got up to 85 once last summer.Now i have two fans so im thinking it should run a lower temp. this summer. I think i'v covered it all. BUMP

[EricHugo]

Bump - thanks so much. Great job. If you could follow those over time and keep me in the loop as to the fate of the extrusions, and any more that form, it would be even better. I will get those onto the site soon.

Alifer - yours are somewhat diffierent by appearance...looks like a lot of skeleton. Anyway to get a close-up of the area?

[ALIFER]

Hi Eric,
You are right, the extrusion does have a skeleton.
After reading your post, I felt the extrusion, and it has a skeleton inside.
The extrusion skeleton is not attached to the existing coral skeleton, the whole thing just sways in the current.
The skeleton appears to be starting to protrude thru the bottom of the extrusion.
I have attached a close-up photo taken this morning, 4-12-04.
I’ll keep you updated on any changes.
Rick

[EricHugo]

Now that's a good photo. Excellent, and please do keep me posted.

[ALIFER]

The extrusion is just hanging on
Looks like it is going to be a fully formed daughter colony

[ALIFER]

She is touching ground now!

[EricHugo]

fantastic. Keep going!!! Can you also provide some tank information and some information on that coral? thanks.

[ALIFER]

ALIFE 7 gallon tank, setup in February 2002
Two 28 watt 50/50 lights w/ ballasts mounted in the stand, 50 watt heater, and Rio 90 pump.
6 to 8 pounds of LR, a couple of pieces from Fiji, a piece from the Marshal Islands, and a couple pieces are from the Caribbean.
3" to 4" deep live sand bed w/ small plenum area at bottom.
1 - Coral Banded Shrimp
1 - Pink Skunk Clown
3 - Blue Legged Hermit Crabs
2 - small turbo snails
1 - Euphyllia hammer coral
NOTE – Euphyllia hammer coral was purchased in March 2002. It was most likely a newly imported coral, which was most likely fraged into many smaller corals by the LFS (Aquatic Warehouse) or their supplier, judging from the amount of similar corals for sale. I fraged the coral in January 2003 by cutting off half of the heads, because it had doubled in size, was getting to large for the tank and stinging/killing other corals. The other half is in a friends 90 gallon reef tank and has grown much larger than the half that I kept, but has never shown signs of polyp extrusions, in fact it does not even have the small buds growing from the stock. The half in my friends 90 has grown several additional branches, though.
1 - Turbinaria sp.
4 varieties of Zoanthids
Encrusting Red Sea Xenias
Small water changes, four cups or so, a couple times a week with Scripps Pier (natural) sea water.
RO filtered water for freshwater make-up.
Water temp - 78
NOTE - Unfortunately I don’t test for water conditions at all. I rely on accessing conditions of the corals, mostly the Xenias (they stop pulsating) to let me know if I have water quality issues. I just change out a gallon or so of sea water if something looks “off” with the tank (yea I know, not very scientific even for Biology 101)
Rick
http://photos.yahoo.com/rick_j_g
:rolleyes:

[ALIFER]

daughter hammer

[ALIFER]

hammer w/ daughter 4-19-04

[ALIFER]

The daughter hammer colony was wedged in a crack this morning, 4-20-04, when the lights came on. About an hour later the connection between the parent colony & the daughter colony broke free. I was very surprised the daughter colony could become wedged by it’s self and stay upright. Seams to be a pretty good design. I had expected it to break loose and drift around the tank. I think the daughter colony will need to be moved though; it’s being shaded by the parent colony.
Rick

[ALIFER]

picture of both

[EricHugo]

All right! Thanks! That's all we need for the photos. If you see it happening again, just let me know. Enjoy the new baby!

[dad300]

Eric,
I have what I was told was a frogspawn,green with tan tips, although it looks suspicously like the hammer in the preceding posts. and it has dropped small polyps 3 times in the last month. the first dissapeared within a couple days. the second I "rescued" and am trying to get it to attach to some rubble. tonight it dropped another one. the one that I rescued has no skeleton that I can feel. Yet it expands and contract, glows under actinics like the mother colony.
My reef is relatively new. I started in July of last year. water params are good. no nitrate or nitrite, no ammonia, PH is 8.4 alk is high( red sea test) Calcium is 450 sg is 1.025 temp ranges 79-81. 100 watts no light 80 10k and 20 true actinic.(Getting a 250 watt pfo mini pendant) and I drip limewater. I also have a small cpr refugium.

[catdoc]

It looks like my favites is initiating extrusion. I tried to get some pics, but the quality isn't too great and if I resize to post here I'll lose what little detail I have. I'll email them and get you whatever info you would like to have. Very cool! One thing I'm wondering, is it best to just let the process go to it's end or should I "rescue" the daughter so I can place it somewhere secure? It's going to get lost in the rockwork if it just drops loose. Or does it stay attached until the daughter fixes onto a solid surface?

FWIW, I purchased the colony in early June 2004 from Octopuss' Garden in San Diego. Funny, b/c I discussed polyp extrusion a bit with Ron that afternoon. The colony already had a few areas that looked like the polyps were protruding so I've been watching ever since. Today, it looks like the colony is actually starting to extrude the daughter. At first, I thought it was just expelling waste but looked closer and realized that the "waste" is the exact same color and texture as the polyps. It's connected to its origin by a strand of almost translucent tissue. It looks so delicate, like it could just float away with a stiff current.

Pics on the way via email...

[UnderwaterExotic]

This is the second one of these in a month, so the heads are splitting?

http://reefcentral.com/gallery/data/500/39907100_1892__Small___Custom_.JPG

[EricHugo]

It appears that this is a polyp division vesicle, described in an upcoming paper to be publsihed by me in the Proceedings of th 10th International Coral Reef Symposium. Please do keep me informed of the progresss though. May I download this photo for documentation of the behavior?

[Justin74]

Eric, did you get all the pictures you need ? I currently have a frogspawn doing the same budding as the hammer coral in previous pics.

Best I can assume it was reaction from moving in my tank. Innitially it was not recieving enough light and the whole colony (save 1 polyp) released most of its zooxanthella to leave a glassy appearance. In reaction to this I moved it to a moderate flowing area similar to the position it left but now receiving more direct light up high in the tank. Its white tips have now become pink and is beginning to brown up nicely. As well, I am now getting these polyps extrusions on most of the original polyps at there base. One infact, is in the middle of the skeletal branch, which at first I mistook for an encrusting snail. Im assuming this is the coral basically saying " lets get 'em out while the gettins good!" ?

I dont have pictures now, but a buddy is coming over later this week and taking some macro shots for me that Id be flattered to help, if help is still desired..

-Justin

[EricHugo]

I will take as many photos and documentations of this behavior as can be offered.

If you could provide some, that would be terrific.

[Justin74]

:thumbsup: Ill be in touch with him tomorrow, as soon as I get em to the hard drive there yours.:)

-Justin

Ps. Along with a history and run down of my setup, etc.(Ill refer to your check list ;) )

[EricHugo]

sweet - thanks!

[Justin74]

As I promised. It was hard to get a good viewing, but this is the best so far. Other buds are a little more defined in growth, but at the same time due to overshadowing of the mothering polyp, the new buds are very transparent and hard to see. Plus me and my photographer made the mistake of forgetting to turn the pumps off so we were fighting the timing of my gentle current :rolleyes: Anyway, here you go, and Ill be glad to send you the uncropped high resolution pic without the circling and text if you wish.

http://reefcentral.com/gallery/data/500/89561frogspawn_for_Eric.JPG



Cheers:)


-Justin

Ps, I cant put your book down! Awesome to say the very least ;)

[EricHugo]

Hi Justin:

Thanks for the photo. This is not an extrusion, but a normal budding behavor common in Euphyllia species. But, good to see that it is budding and growing for you!

[Justin74]

My apologies, the "flow or drip" definition for some reason didnt sink in!:worried: But thank you.;)

-Justin

[Speedy3kgt]

My neighbor has a huge bubble coral that is doing that right now. You can actually see the skeleton in the tissue extrusion. Interested?

[EricHugo]

Absolutely!

[Speedy3kgt]

Tell us what you think. We tried to upload the full tank pic but it's just too big. I resized it but it just got distorted.

http://reefcentral.com/gallery/data/500/55959bubble2a.jpg

http://reefcentral.com/gallery/data/500/55959bubble3a.jpg

[EricHugo]

pretty coool. Is that all skeleton in the low shot? Can you email me the high res image so I can look closer? eborneman@uh.edu

[Speedy3kgt]

It's skeleton hanging by tissue. I'll send out an email.

[davejnz]

I've observed this behavior a couple times in my tank.Once with Euphyllia,the other with Caulastrea.http://reefcentral.com/gallery/data/500/37881glabrescens.jpg
http://reefcentral.com/gallery/data/500/378812003_0105extrusion0003.JPG

[EricHugo]

Hi Dave:

Could you email me high resolution photos of those to add to the documented cases for that behavior. I will not use them for any other purpose without your permission. Thanks, Eric

[Speedy3kgt]

Hey Eric. I tried to send you the pics, but the email address you gave me didn't work. Can you confirm?

[EricHugo]

eborneman@uh.edu

[davejnz]

Eric,I forgot to mention,both corals were undergoing the extrusions at the same time.With the Caulastrea,the colony actually had multiple extrusions.These occured shortly after a period of rapid growth where the polyps split,some split into 3 and the colony became very crowded.The extrusions took place on these areas where the corallum didn't grow fast enough to support the extra polyps.
BTW,i found one of the extrusions alive and growing under the colony between some LR.The Euphyllia extrusion got lost in the aquascape.

[cmhollis]

Is that what this Ric is doing, or is something else entirely going on?

http://reefcentral.com/gallery/data/500/95637Ricordea-med.jpg

[EricHugo]

Yes, I was going to comment on that in the other thread. I'm not sure. The smaller vesicles developing on the other tentacles are common on coralimorphs. and the larger ones seem like extreme examples, and I am not sure if this is a related behavior or not but it certainly bears a similar appearance. I have never seen or heard of corallimorphs losing these vesicles or forming daughter colonies, though. Maybe its a relic behavior from long ago when they used to have skeletons?

[Justin74]

Originally posted by EricHugo
Maybe its a relic behavior from long ago when they used to have skeletons?

Now that would be fascinating!Interesting thought.

My pocillopora is doing a very similar thing to that ricordia picture.Is this more than likely what is referred to as "polyp bailout"?Noticed it start to happen as it "colored up" from being brown when I got it.

-Justin

[cmhollis]

Eric,

I just acquired the Ricordea last week. I acclimated it to my tank, and everything looked normal. Then a couple of days ago it looked like this. All of my tank parameters are w/in normal limits.

[jakano]

hi eric everyone else has lps they are showing pictures of is that all you want or would soft corals be of intrest? i have a sarcopyton that is dripping like a melting candle. it is collecting on a rock beneath it and looks as if it may form a new coral. wife has the camera right now but i can get you a pic later if you like.

[EricHugo]

absolutely...bring it on. I have a couple of gorgonians doing what appears to be a similar behavior. Would love a soft coral confirmation

[jakano]

hi eric here is the leather coral i was talking about. as you can see it is oozing down onto the rock below. you can also see part of my pagoda coral that has some dead spots. i went away on vacation and the girl watching my tank didnt know sand should not have been blown onto it and allowed to stay there.so parts died. anyway i hope this is what you are looking for.

http://reefcentral.com/gallery/data/500/51107drip.jpg

[EricHugo]

can you get a closer shot of that area and send it to me by email to eborneman@uh.edu? Thanks!

[rioreef]

Posted a concern about what was happening to my favia in another thread (http://www.reefcentral.com/forums/showthread.php?s=&threadid=711971), Eric chimmed in and said it was "multiple coral polyp extrusions" and directed me to this pinned thread.

Thanks Eric (ah a personel message from the great Mr. Hugo :p)

Anyway, Eric what can I expect to happen to the brain, time frame, should I do anything, etc.

Here are the pics.

Front View (about 5-6 inches in dia. largest extrusion about 3/4")
http://i7.photobucket.com/albums/y268/rioreef/2005ReefCloseups014.jpg

Side View
http://i7.photobucket.com/albums/y268/rioreef/2005ReefCloseups013.jpg

Close-up
http://i7.photobucket.com/albums/y268/rioreef/2005ReefCloseups022.jpg

Flash On
http://i7.photobucket.com/albums/y268/rioreef/2005ReefCloseups006.jpg

Chris

[EricHugo]

If you would be so kind as to keep track of the extrusions and make notes if any form daugher colonies I would be much obliged!

Thanks

E

[rioreef]

Will do.

[ChrisE]

Eric,
2 days ago my G. stokesii, which I have had since last January produced about 50 "stalkless poyps". Many were lost in the rockwork but I managed to catch 20 or so which I have placed in a perforated container.
They have not shown much change since, only a couple have expanded. Iam putting DT's oyster eggs & cyclopeeze in.
The parent colony, which had produced 3 satellite colonies, does not look any different since.
Lighting is 10000K MH + actinic 03. Substrate is soft, fine sand. Other parameters are as normally kept in reef tanks.
Chris

[Glove]

I have a friend who has a Caulastrea with a very severe case of this condition. Last time I seen this colony it was one big cluster, I could not understand why there were no 'heads' I will go visit him tomorrow and get some pictures.
I also have a hammer and a frogspawn (Euphyllias?) that have both done this and I have seen the daughters form once the 'bubble' retracts or deflates.
All 3 of these corals are under PC lighting in systems running less than a year.
Ill get some pictures to you.

[EricHugo]

Thnaks, Glove.

Chris - thanks, also, for the email and photos...very interesting, even if not an extrusion - have never heard of or seen this before.

[rockdr]

I have been wondering if this is what my brain has been doing as well.
http://i6.photobucket.com/albums/y229/azarkl/IMG_1331.jpg

[EricHugo]

yup - that's it! Can you please repost if you get a duaghter colony, separation with no daughter colony, or resorption? Thanks!!

[rockdr]

no prob! It has been really small for months and I wasnt sure what was happening but in the last few weeks it has really taken off. will keep you posted
thanks
Kelsey
PS. From what I heard, you made quite an impression on the guys from LARC at your talk in Mandeville, I was a member there and now am in MARSH after our move.

[cmhollis]

Eric,

You remember the Ricordea I posted earlier?

Before:

http://reefcentral.com/gallery/data/500/95637Ricordea-med.jpg

After:

http://i.pbase.com/o4/84/503584/1/53158485.Ricordeaafter.jpg

I think it is clear that the thing has experienced explosive growth since my earlier photo. The first photo was taken on 10/25, the 2nd photo was today, about 7 weeks later.

[poopsko24]

mabey this is the place for these.....
http://i34.photobucket.com/albums/d135/poopsko24/favia2.jpg
http://i34.photobucket.com/albums/d135/poopsko24/favia1.jpg
I also have an elegance and a hammer doing the same thing....I'll get better pics of those and post.

[Flighty]

Does this happen with SPS also?

I know this isn't a great pic, but it is two bubbles in the tissue that look like blisters.

http://reefcentral.com/gallery/data/500/56032DSC06598.JPG

Topdown of the colony. The blisters (not shown in the below pic)are in the shade under that purple rimed piece right in the center.

http://reefcentral.com/gallery/data/500/56032DSC06622.JPG

[poopsko24]

heres my elegance baby buds!

http://i34.photobucket.com/albums/d135/poopsko24/P1010245.jpg

[alf-magne]

as requested from eric im posting this tjread her.

just realisd a peace of "flesh" hanging and "wawing in the current when i got home from work today. the "dropping is aboud 5mm long.
one picture of the mother colony

http://reefcentral.com/gallery/data/500/72087echnoipora1.JPG

some close ups!
http://reefcentral.com/gallery/data/500/72087echinopora2.JPG

http://reefcentral.com/gallery/data/500/72087echinopora.JPG

[shane 1111]

http://i22.photobucket.com/albums/b315/smeltz/75%20gallon%20tank/IMG_1659.jpg
http://i22.photobucket.com/albums/b315/smeltz/75%20gallon%20tank/IMG_1661.jpg
what is it doing?

[EricHugo]

Appears to be the beginnings of several extrusions...keep us posted.

[davejnz]

Here's my Faviid coral undergoing polyp extrusion.This pic was taken during the final stages just before it was released.The polyp,intact with a tiny bit of skeleton is still alive and needs to be secured to the aquascape before it gets lost.The whole process from extrusion to drop-off took approximately 2 months.

http://reefcentral.com/gallery/data/559/37881faviifextrusion.JPG

[EricHugo]

great photo and record. Please do attach it so we have a record of a daughter formed!
Thanks!

[davejnz]

The extruded polyp/corallite is now secured to the aquascape,should be fun watching this little guy grow.

[Forestal]

i have similar happening with a frag of candy cane coral in my 120 under 2x250watt...moved from my frag tank 4 months ago...problem is my urchin keeps knocking it over will try to get pics for you sir :)

[Forestal]

When put in my main tank, candy cane was starting to split from one to two heads, now has 3 and this 1month old extrusion seen on right, skeleton is inside, on a tiny piece of tissue
in 9/05: on the frag rack starting to split:
http://www.fragexchange.com/photopost/data/500/medium/frag6.jpg
Now:
http://forestalsfish.com/pics/Tanks/120reef/dec05/candycaneextrusion4.jpg
high res:
http://forestalsfish.com/pics/Tanks/120reef/dec05/candycaneextrusion3.jpg

Tank: pH: 8.3, Nitrates: <5, Nitrites/Ammonia: 0, Alk 9mg/L, Calcium 410mg/L, phosphate: 0 measured; I do 15 gallon weekly water changes using IO salt, also my temp is 74-78 F (don't know if that matters with this)

tank is 120gallon with dual corner overflows with sump and approx 150#live rock, flow to this frag in particular is moderate from a tunze from opposite corner

I feed once a day 5x/week with mysis, cyclopeeze, zoplex, and coral plus

will repost when the little one pops off and will find a good spot for it and photo

cheers, happy new year :)

[yardboy]

I'm not sure if this thread is still alive or not, but here's a pic of a Favites I've had for several years and it's making a major extrusion.
http://i6.photobucket.com/albums/y248/yardboy/Favitebudding120805post.jpg

[mr pink floyd]

my yellow polyps do that sometimes, theyll poof out in a bulge, then theyll all suck in and then the bulge will dissapear but no new polyps form... hmmmm kinda cool to watch, although it freaked me out a few tiems lol

[normanviking]

I do not have pics and it only happened once. But I figure you may be keeping a count of the people this has happened to for your research. My Blastomussa dropped a head three days after I put it in my tank. The next morning I woke up and saw a head laying in the sand. I glued on a peace of rock and gave it to a friend. It has multiplied and is doing well in his tank. Dan PS I saw a video of you doing a calss on propagating, lots of useful info. I did not know about the mucucs and what not being so toxic.

[OSo]

I didnt know what my coral was doing but now thanks to davejnz , i do, here are some pictures of my frogspawn doing it.

http://i3.photobucket.com/albums/y86/gegasa/polyps/DSC00851.jpg

http://i3.photobucket.com/albums/y86/gegasa/polyps/DSC00853.jpg

[castorpollux]

i have a red pavona doing this right now i just noticed it the other day... you can see a little white piece of skeleton in the center of the red flesh on the drip. i will try to take a photo tonight of it.