#ed_op#DIV#ed_cl#I've got something rather odd, that I have not seen before in any of my other tanks. I can't get a picture of it, so let me try to describe.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# There are small white (1/8") "blobs" on some rocks and plants. These blobs are streaming out long thin white tentacles that actually resemble smoke. I would think this algae or some kind of garbage but these "tentacles" stream out and then zip back, as if fly fishing. I can't see any structure or something I'd call an animal that would be streaming these things but for them to go out and then reel back in so abruptly implies some kind of animal thought.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# Anyone have any ideas? This is a fairly new tank that only has live rock and a bunch of crabs in it. These things behave as if they are hunting so I have concerns about starting to add fish, in case these things are poisonous.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#Help.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl#