Talk:Eltanin Antenna

Someone please dispell my fear that Wikipedia is full of rubbish? I have often, VERY often, come here to find out information about topics. Why is the only "picture" on the entire internet of Cladorhiza concrescens an article from Wikipedia refuting that the Eltanin Antenna is a manufactured object? —Preceding unsigned comment added by 60.230.4.67 (talk • contribs) 07:26, 19 September 2006

It is very strange that there are no photographs, only sketches, of this Cladorhiza concrescens. Nor does there seem to be any information about it not relating to the Eltanin Antenna. Sea sponge, you say? What's going on here??Lily20 (talk) 19:49, 10 June 2009 (UTC)


 * The Wikipedia article is not the only image of Cladorhiza concrescens on the Internet. For example, an image of Cladorhiza concrescens can be seen using Google Book on page page 94 of


 * Gage, John G, and Paul A. Tyler, 1993, Deep-sea biology: a
 * natural history of organisms at the deep-sea floor. Cambridge
 * University Press. ISBN 09780521336659


 * In addition, using Google Book, a person can find another image of Cladorhiza concrescens in:


 * Three Cruises of the Blake, vol. II, Bulletin of the Museum of
 * Comparative Zoology at Harvard College, in Cambridge, vol. XV
 * (1888) in Figure 541 on page 176.


 * Of course, not everything can be found on the Internet. Additional information about Cladorhiza concrescens can be found in regular papers and books, including pages 39 and 40 of:


 * Heezen, Bruce C. and Charles D. Hollister, 1971, The Face of
 * the Deep. New York, Oxford University Press. ISBN: 9780195012771


 * Also, citations to publications containing additional information, including the one that originally described it can be found in Chondrocladia concrescens (Schmidt, 1880). The lack of pictures is explained by the fact that it is both expensive and difficult to take pictures of anything at the depths at which Cladorhiza concrescens lives. As a result, very few pictures of this organism have been taken. It is highly unlikely that any single person has the resources to make a trip down to those depths for the sole purpose of taking a picture of a Cladorhiza concrescens for their web page. Those few pictures that do exist of Cladorhiza concrescens are copyrighted by either the publishers of scientific papers and books, in which they are occur or the organizations that sponsored deep sea expeditions. Because they are copyrighted, they cannot be posted to Wikemedia and people are discouraged from using them on the web.Paul H. (talk) 04:47, 11 June 2009 (UTC)

Similar sponges?
A picture of a similar sponge would be helpful. I've never heard of a sponge growing like this, but if some pictorial evidence could be provided, that would be great.--MacRùsgail (talk) 16:45, 4 January 2013 (UTC)
 * Carnivorous sponge diversity.png's a collage of related sponges, and you can read more here: Global Diversity of Sponges (Porifera). --Animalparty-- (talk) 04:09, 23 April 2014 (UTC)

External links modified
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This page is misleading
This organism has been definitively identified as a species of sea sponge. By foregrounding the unsupported opinions of people suggesting the possibility that it is a manufactured structure, or of extraterrestrial origin, this page is misleading. It should be rewritten to emphasize that the item is a species of sea sponge known since the 19th century, and so is NOT unusual. In fact, it should probably be removed from the "Paranormal Project," as there is nothing paranormal about it. Digthepast (talk) 13:48, 9 December 2023 (UTC)