Highland Reefer December 1, 2008 Share December 1, 2008 I have a nice Derasa clam & it seems to be quite content and healthy. I have noticed that out of the long siphon tube it will secrete a long stringy substance that will extend up several inches and remain attached to the siphon tube. Then it will slowly suck this long string back in and will let it go back out. What is this? Link to comment Share on other sites More sharing options...
capsfan December 1, 2008 Share December 1, 2008 Its snot! Your clam has a cold. Link to comment Share on other sites More sharing options...
L8 2 RISE December 1, 2008 Share December 1, 2008 I believe, and I may be wrong, but many first time octo owners will bring this up as happening with their octo, they blow it out of their syphon and it ocationally gets sucked back in creating a sort of loop around them... since both clams and octo's are mollusc's, I would guess this is the same. It's poop. Link to comment Share on other sites More sharing options...
DDiver December 1, 2008 Share December 1, 2008 If my knowledge of marine biology serves me Correctly, they do that to capture planktonic prey since they are filter feeders... Link to comment Share on other sites More sharing options...
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