Those, infact are not pods at all, but are the osculum which are the excretive structure of porifera or sponges! The size of the osculum is determined by the sponges myocyte to either allow more or less water to leave the sponge. Water exits the sponge through its osculum removing waste. The water is drawn into the sponge via its spongocoel! _________ 125gal.w/Mag9.5 return(dual megaflow)>Mag7 pump Aqua Cev180skimmer.Wave2k Hamilton Reefstar(2)250watthqi(mh)pend.a Yellow, Naso Tang Red Lip Blenny Percula Clown Demoiselles Niger Trigger F. Wrasses Ceriantharia Orn.Shrimp and Stars Hermits Queen Conch asst. snails> Stars Zoos shrooms Montipora Brains Gorgonians Favia Turbinaria(large+small polyp) Acropora Xenia Tridacna (CroceaMaximaSquamosa) Leathers <35+75gal.reef tank as well> 
"IF THE PHONE DOESN'T RING...IT'S ME"  jb 
Last edited by coral reefer; 03-29-2008 at 03:15 PM.
|