Coral Spawning (Birds Nest Coral)

Did she say use scissors or was it a chisel ?

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KrazyPlace
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Coral Spawning (Birds Nest Coral)

Post by KrazyPlace » Sat Jul 10, 2004 9:48 pm

Nearly a year ago... In a far away place (Mississippi) Terry gave me a piece of birds nest coral that had broken off and was wasting away at the bottom of his tank. The base was dead, so I broke the coral into 3 pieces and attached them a single large rock.

Since that time I have had to relocate them to their own rocks... I think I now have very small 'spawned' pieces of this coral all over my tank. I believe there are about 3 dozen of them.

I've been watching these small corals with great interest for about 2 months. I wasn't sure what they were until another coral fell over and killed half of a new comer. The dead part was unmistakably a birds nest coral. These are not frags, but spawned juveniles!

Has anyone ever seen/had spawning of these corals in there tanks?

This is a picture of one of the 'mother' pieces of the coral (left side) incase I have the name wrong. I'll try to get a picture of the juveys before the weekend is over.

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Scott
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Post by Scott » Sat Jul 10, 2004 9:52 pm

Probably from polyp bail out. Polyp bail out is not uncommon (not that it has ever happened to me) in Seriotopora and Pocillopora species. That is pretty cool that they are growing.
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Post by KrazyPlace » Sat Jul 10, 2004 9:58 pm

Polyp bail out? Mmmmm.... OK, I give, what is that?
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Post by Scott » Sat Jul 10, 2004 10:19 pm

A method of asexual reproduction or a result of stress where individual polyps detach from the coral skeleton and settle elsewhere to begin growing a new colony.
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KrazyPlace
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Post by KrazyPlace » Sat Jul 10, 2004 10:31 pm

Stress in my tank? Most certainly! I add 5 gallons of water at a time to about 110 gallons total when I top off... I always thought this was a bit... excessive.

I also have seen these corals stung (*cough* *cough* numerous times).

I must say though, that this particular coral in my tank is one of the healthiest I've ever seen.

I found this article on the bail out: http://www.reefs.org/library/farmertodd/frag/sps/4.htm

I also found this excert from this website: http://www.aquarium.net/0397/0397_6.shtml

"...Pocillopora damicornis has a very engaging history in the companionship of humans. It has, for years, been the most studied coral in terms of coral research. It is also the first coral, as far as I know, to have reproduced in captivity. In aquariums, sexual reproductions of Pocillopora are becoming more common, but Pocillopora also reproduces asexually in a more common way called polyp bail-out. Sometimes sporadically, and often in response to stress, Pocillopora is noted along with a handful of other corals, to simply release it's polyps from the skeleton. The polyps then settle, begin calcifying a new skeleton, and perhaps many new colonies can thus be born..."

Thanks Scott!
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Post by tbmoore » Sun Jul 11, 2004 6:05 am

That was Pocillopora that I gave you and not a bird nest. Pocillopora is very common in reproduction in a tank. I believe this is what you have.

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Post by Scott » Sun Jul 11, 2004 8:59 am

You know I didn't hardly even look at the picture. It is a Pocillopora damicornis. Can you get some pictures of the babies?
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Post by Snakeman » Mon Jul 12, 2004 12:27 pm

I've got some poping up in my tank also. I've found two so far.

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Post by Phisher » Mon Jul 12, 2004 3:58 pm

John has spots of stuff growing all over his tank like that, poor bastard.

Joe
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Post by Xster » Mon Jul 12, 2004 4:37 pm

Phisher wrote:John has spots of stuff growing all over his tank like that, poor bastard.

Joe


I killed most of them already though. I placed a small clam shell over it for awhile and then they die!! :twisted:

But there is one huge on growing on my sea-swirl! I guess it is getting good current there!

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