Quote:
Originally posted by Paul B
Pedro, you are correct, the sponge that I did collect that Idol's do not eat is "red beard sponge" It grows right along and some times on top of the other sponge that Idol's eat that I can't identify and is not in any of the pictures on the site you posted. It looks more like mushrooms that you would see on a rotten tree only it's orange red. I can collect loads of it now that I have found the location. It also only grows a few inches under the water which makes me think it is also photosynthetic. I have never seen it at the bottom but only on floating docks where it can live submerger only by a few inches. I don't know if it grows in the winter as these docks are removed from the water for cleaning then.
I went on the web site you suggested but it is in Spanish and even though I am of Italian decent, the only word I know in Spanish is Ricardo Montalban 
Paul
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Lets research then, shall we?! Yeeesss!!
1 - Haliclona (sigmadoica) caerulea is found on floating docks, but does not exactly match the one you mention, never the less have a look here:
http://www2.bishopmuseum.org/HBS/inv...a_caerulea.htm
Occurrence: In the Hawaiian Islands, H. caerulea is mainly restricted to shallow-water fouling communities (i.e. pier pilings, floating docks) of the major harbours on Oahu or associated disturbed habitats (i.e. dredged channels and artificial lagoons). It is also found on the roots of the non indigenous Red Mangrove, Rhizophora mangle, native to Florida, West Indies, and South America, which is abundant in Pearl Harbour and Keehi Lagoon. In Kaneohe Bay, H. caerulea is found on patch reefs in southeast corner of the bay as well as the fouling community on Coconut Island floating docks.
2 - Now this one seems more close to match the one you mention, Suberites zeteki
http://www2.bishopmuseum.org/HBS/inv...tes_zeteki.htm
Occurrence: Common as fouling in harbours, especially those with some estuarine conditions, and in Kaneohe Bay, primarily on floating docks, dock pilings and mangrove roots, also on hulls of ships.
3 - This one is also a candidate Mycale armata
http://www2.bishopmuseum.org/HBS/inv...ale_armata.htm
Occurrence: In the Hawaiian Islands, M. armata is mainly restricted to shallow-water fouling communities (i.e. pier pilings, floating docks) of the major harbours on Oahu or associated disturbed habitats (i.e. dredged channels and artificial lagoons). In Kaneohe Bay, M. armata is found on patch reefs in southeast corner of the bay as well as the fouling community on Coconut Island floating docks.
4 - This one here Mycale (Zygomycale) parishii from the description is also a significant candidate
http://www2.bishopmuseum.org/HBS/inv...e_parishii.htm
Occurrence: In the Hawaiian Islands, this sponge is mainly restricted to shallow-water fouling communities (i.e. pier pilings, floating docks) of the major harbors on Oahu or associated disturbed habitats (i.e. dredged channels and artificial lagoons). In Kaneohe Bay, is found on patch reefs in southeast corner of the bay as well as the fouling community on Coconut Island floating docks.
Any way, all of these have a very common feature which is:
Occurrence 1: shallow-water fouling communities (i.e. pier pilings, floating docks) of the major harbours on Oahu or associated disturbed habitats (i.e. dredged channels and artificial lagoons). In Kaneohe Bay, is found on patch reefs in southeast corner of the bay as well as the fouling community on Coconut Island floating docks
Occurrence 2: Common as fouling in harbours, especially those with some estuarine conditions, and in Kaneohe Bay, primarily on floating docks, dock pilings and mangrove roots, also on hulls of ships.
Continuing, have a look here…see anything familiar, if so please identify it
http://depts.washington.edu/fhl/zoo4...in/flmain.html
...these docks are really fouled…well if it suites the Zanclus, that’s fine with me and a submerged old tire will do the thing… Halichondria bowerbanki perhaps??....
http://depts.washington.edu/fhl/zoo4...rtvssponge.jpg
…and same site, more here
http://depts.washington.edu/fhl/zoo4...ocomotion.html
…well, well…after all it seems they may be bought online..?!, have a look here although I didn’t see a close match
http://www.gulfspecimen.org/Sponges.html
…what you know…collection locations indicated here…Charleston South Carolina
http://www.cofc.edu/~grice/resources...t_collect.html
quote: A very nice orange sponge (Hymeniacidon heliophila) is common under the bridge next to Anchorline Restaurant. Being intertidal, it is very tolerant of aquarium conditions.
…definitely Anchorline Restaurant, whatever it is or looks like (and serves) looks definitely a place to go and … have a snack … after collecting some sponge…if it is accessible where it lives under the bridge…
…well now…, just to finish perhaps?! a vacation at the Sponge Docks in Tarpon Springs – Florida, the sponge capital of the world…well use to be before the red tide but any way the sponge industry is not what it was despite the recovery and finding of the new sponge beds back in the 80’s
I hope this brief research helps…you and anyone interested
Kind Regards
Pedro Nuno (Blueregaltang)
P.S.: …and Paul…I didn’t quite understand to which site you where referring, but if the site you visited and are reffering is this one
http://www.reefforum.net/showthread.php?t=5012, my thread about my experience with the Zanclus, it is in Portuguese (I’m Portuguese), a very, but very significantly different language form the one you mentioned…