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Tybond

Advanced Reefer
Hello,

I just returned from a trip to the Shedd Aquarium and snapped a photo of something I can't figure out. the pic is a little blurry (sorry).

The question pertains to the currly guy in the center of the photo. There was no explination given on the tanks fact sheet about what this guy is but I hope someone here can give me some info.

TIA

ty
id.jpg
 

Chucker

Advanced Reefer
Without knowing any more about size, movement, tissue, etc., my best bet would be an egg case of some sort.
 

Tybond

Advanced Reefer
Thanks for the reply chucker,

The size of the coil is about 10" tall. At the base the coil is attached to a piece of rock by glue. The boutom section of the tissue was dark black then faded into a blue color towards the top. All "polyps?" were a bright orange coloration. the tank was approximately a 40 gallon custom job with what looked to be either vho or PC bulbs for lighting. There were no fish in this display. Only the two apples you see at the bottom. the only other inhabitants to the tank were a few sparse mushrooms and (Sorry I don't know the name) Sun coral?
Other than that, the tank was simply over ran with aptaisia anemone's.

I didn't witness any movement at all other than a gental sway being produced by the return flow coming into the tank.

I know this isn't much but maybe??

ty
 

wade1

Advanced Reefer
Sounds very much like a type of gorgonian. There are hundreds of different types from very different environments so there is no way I could say more than that. But, it does look like one with a funky growth form.

Wade
 

Tybond

Advanced Reefer
Thanks for the input wade!

I will be returning to chicago in a month or two and hope to stop back by the shedd when I'm in town. I plan to try to catch someone from the staff to inlighten me on the subject.

I sorta agree on the gorgo fealing. It has the characteristics to be one thats for sure.

Thanks

ty
 

danmhippo

Advanced Reefer
Ha, I found it!

I was skimming through Baensch Marine Atlas Vol. 2 today looking for sci. name of the gorgonian I have and stumbled on this.

(sorry, I don't have a scanner and web posting abilities.......)

"Cirrhipathes spiralis (Order: Antipatharia, Family: Antipathidae)
Spiraling wire coral
Hab.: Indo-Pacific, Maldives.
Sex.: Colonies have separate sexes.
Food: Plankton.
S.: The terminal third of these erect, whiplike colonies is coiled. With their small holdfast, they attach to deep, steep drop-offs and terraces. The light polyps, which are arranged radially around the stalks, are extended during the day as well as at night. the coenenchyme is rust red. they are very common along Indo-Pacific reefs.
T: 22-26C, L: 300cm"


There is another species of "spiraling wire coral", but it occurs in Caribbean, Jamaica and colombia. It's sci name is Stichopathes leutkeni

There is another similar, but does not posses spiral shape.

"Cirrhipathes anguina
Coiled wire coral
Hab.: Indo-Pacific, Maldives, Australia, New Caledonia, Hawaii.
Sex: Dioecious.
Food: Plankton
S.: Attached by small holdfast, C. anguina lives on reef slopes and terraces at depths of 15-60 m. It is erect, unbranched, and coiled. Coloration of the coenenchyme varies, but is is usually olive green to orange red. Polyps are generally light, almost transparent, and expanded during the day.
T: 22-26C, L: 70cm"


More info on this order Antipatharia:

"Antipatharians are commonly called black corals because of their brown to black skeleton. In the jewelry trade, the skeletons are fashioned into beads, necklaces...etc. Each polyps ofthese colonial corals has 6 tentacles. Colonies generally grow on hard substrates.

Unlike stony corals, the skeleton of black corals does not contain calcium. It is thorny and made of an elastic, hornlike substance not unlike the skeletal material of gorgonians. While there are parallels between gorgonian and antipatharian skeletons, there are differences as well.

The axial skeleton is covered by a thin, soft living layer, the coenenchyme. Embedded within tand interconnected through the common basal substance of the coenenchyme are the cylindrical, small -- just a few milimeters in size -- polyps. Though rare, some polyps will have eight instead of six tentacles encircling their oral opening. Their short, thick, unbranched tentacles are non retractable.

..................Very little is known about their reporductive biology. It is known that the polyps of one colony are either male or female. Hermaphroditic colonies seem to be the minority.

.............Most black corals are protected by the Washington Endangered Species Act. They play an insignificant role in the marine aquarium hobby."
[/i]
 

Tybond

Advanced Reefer
"Ask and you shall receive"....or something like that.

Way ta go Dan!

Thanks for all the sci information. I was leaning toward a type of Gorgo at first glance so at least I had a close thought along with wade. Protected species seem to be something of the order at Shedd. While I was there, I saw a very beautiful Leafy Sea Dragon and stumbled on a few rarer types of Ricordea and corals.

Thanks again for sharing your find.

TY
 

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