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ssilcox 
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 Topic: Quick ID question
Posted: January 13 2004 at 5:07pm |
I have three of these (that I can see) that popped up in my tank over the last couple weeks... they look like spider egg sacks - kinda cottony - with what looks like a feather duster popping out the top. But they dont act like feather dusters, they never retract. Anywho a picture speaks a thousand words:
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ffc3
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Posted: January 13 2004 at 5:27pm |
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I've got dozens of these on my overflow and refugium and am curious what they are also.
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Marcus
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Posted: January 13 2004 at 6:14pm |
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They are good to have. Some sort of bi-valve, like a squirt.
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ssilcox
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Posted: January 13 2004 at 6:40pm |
Cool. Thanks for the ID Marcus!
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ewaldsreef
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Posted: January 13 2004 at 6:46pm |
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They aren't like a sponge are they Marcus?
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Contact me for professional aquarium maintenance and localy grown coral frags. [URL=http://www.aquatitranquility.com][/URL]
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Marcus
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Posted: January 13 2004 at 6:48pm |
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I guess, sort of. Sponges filter the water and squirts do to.
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Adam Haycock
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Posted: January 13 2004 at 7:12pm |
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Ive heard them refered to as "q-tip sponges" or "pineapple sponges" before.
Edited by BananaTropics
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Adam Blundell
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Posted: January 13 2004 at 9:54pm |
They are sea squirts. I type of tunicate and in some tanks they are out of control (not a bad thing). You know how some tanks have tons of aptasia, or some have tons of coraline algae or tons of xenia. Well some people have these flourish in their tanks. I think they are pretty cool, my old tank had quite a few of them.
Adam
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Mark Peterson
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Posted: January 13 2004 at 11:37pm |
I love those little guys filtering the water. But why do they call them squirts!
This reminds me of a pic of green Sponge I found somewhere on the web. pretty cool.
I was at a members house today, admiring his black Sponge growing on the bottom of a live Brain Coral and then saw that it had sprung up in the overflow along with pink and white sponge. Way cool.
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SSpargur
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Posted: January 14 2004 at 12:28am |
I have thousands of these in my sump and in my overflow. Never really worried about them as they aren't bothering anything. 
Nice to know what they are though.
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Sean Spargur
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Adam Haycock
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Posted: January 14 2004 at 10:52am |
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Adam, do you have the scientific name?
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Jake Pehrson
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Posted: January 14 2004 at 11:52am |
Banana Tropics,
I know this question was for Adam, but I will answer it also. Adam's will follow I am sure.
Tunicates fall under the Phylum Chordata, Subphylum Urochordata.
Most Sea Squirts usually fall under the Class Ascidiacea.
With over 1,000 species of sea squirt it is almost impossible to identify them to Genus or Species (at least for me).
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Adam Blundell
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Posted: January 14 2004 at 1:26pm |
Sorry Jake but I won't answer, because you probably know more about them than I do.
Adam
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Sarnack
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Posted: January 14 2004 at 4:58pm |
Jake - get that info from here?:
http://www.biologicall.info/PARTICULAR_BIOLOGY/Superkingdom_ Eukaryotae/Kingdom_Animalia/Phylum_Chordata/Subphylum_Tunica tes.html
Pretty interesting, I wondered how something that looked like a sponge could be in the Chordata Phylum.
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FuzzyWeasel
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Posted: February 11 2004 at 10:14am |
I've got thousands of these things in my tank. These and my carribean red fan worms are growing over everything. Well... the squirts are on the bottoms of everything out of direct light. If anyone would like a chunk of rock with a couple on it I am doing some experiments with aritifical live rock and have small rocks with this stuff on it. I'd be happy to send it your way.
- Fuzzy Weasel
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Mark Peterson
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Posted: February 11 2004 at 10:28am |
How can rock be artificial and live at the same time? I'm curious. Please describe. 
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FuzzyWeasel
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Posted: February 11 2004 at 10:45am |
 Mark Peterson wrote:
How can rock be artificial and live at the same time? I'm curious. Please describe. |
What makes a rock "live" at all? It is the bacteria, hitch-hickers, and algae on it. I'm producing rock using environmentally friendly materials that doesn't affect the chemistry of the tank and grows all of the same goodies that live rock does. I do know that it grows corraline as well or better.... and I can shape these rocks into whatever I want. My centerpeice rock is a cave rock about the size of a football with a couple of "shelves" hanging off of it. It now has corraline covering most of it and has a patch of yellow star polyps that are spreading over to it.
I don't have a working digital camera right now but will be getting one soon... I look forward to posting pics on it. As far as my research... I am trying to find ways to make the rock more porous and trying to get it the same hardness as natural live rock. The one thing I'll never have is the breath-taking diversity of live that hitch-hikes in on live rock. But for now I am just wanting to do research on an environmentally safe way to do reef tanks so that I don't contribute to the distruction of some of the most beautiful places on earth. I'm not an environmental nut, but its my small part. Besides... these rocks are very neat and fun to make... and my fish love the cave.
If you want to see some more on the artificial rock go to www.garf.org
- Fuzzy Weasel
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Mark Peterson
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Posted: February 11 2004 at 11:25am |
I was hoping you would describe the rock, but that's okay, I read your post about Osama and found out you have made aragocrete. I am very familiar with it and very pleased that you have had a good experience with it.
Aragocrete first hit the "air-waves"  around 1997. I believe it was our good friend Leroy Headlee just up the street from us, that introduced it.
Some cement mixes had bad effects and killed off complete tanks. You are lucky to have missed that. Likewise, the use of too much crushed oyster shell ususally has had detrimental effects.
Congratulations on subscribing to my motto below 
Edited by Mark Peterson
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FuzzyWeasel
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Posted: February 11 2004 at 12:42pm |
Yeah... agrocrete. Sorry if I misunderstood the question. I am thrilled at the incredible amount of information sharing out there in this hobby. This message board, garf, and all of the other websites I've soaked up like a sponge.
And yeah, the agrocrete is LOTS of fun. Currently trying to find ways to make it more porous and able to grow stuff "inside" of it. My mix is part oyster and part argonite. The oyster I get for free all over the place and I also use some local substrate. (I live in Florida).
What problems have you heard about with it sullying the tank?
- Fuzzy Weasle
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Adam Blundell
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Posted: February 11 2004 at 1:07pm |
Don't use oyster shell. Trust me, it is bad. I stay pretty nuetral on the sand and rock debates, but I don't want people thinking oyster shell is good stuff. We have had way too many people struggle and fight with their tanks after using it.
I too am glad you like your aragocrete. I've still never been really impressed with it, and I too have made and purchased LOTS of it.
Adam
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