myrionema hydroids

Willow · #1 02-01-2006, 04:12 PM

i wonder if the dawn power scrub brush might work if you pulled the rock out and mowed them down in some tank water in a bucket. it sure worked on anthellia.

christyf5 · #2 02-01-2006, 04:13 PM

They have their little butts firmly rooted in rock crevasses, I doubt the powerbrush would work when powerwashing obviously didn't

Willow · #3 02-01-2006, 04:18 PM

did you try joes juice?

Jim Barry · #4 02-01-2006, 04:28 PM

I tried Joes Juice on them........ didn't work

Delphinus · #5 02-01-2006, 04:28 PM

Maybe try to epoxy over them. For smaller stands like that it might be worthwhile if it works.

Beverly · #6 02-01-2006, 04:44 PM

So THAT'S what those are

Have some of them in my 37g. Am now interested in methods of getting rid of them as I did not know they were harmful.

christyf5 · #7 02-01-2006, 04:50 PM

Quote:

Originally Posted by Delphinus

Maybe try to epoxy over them. For smaller stands like that it might be worthwhile if it works.

Yeah, I'll have to try that next, I'm just waiting for this frag to kick off (just in case there is something to salvage). Its the strangest thing, the polyps are out like nobodys business but the tissue is just hanging off the frag. Pretty sad to watch actually.

I also have these other things that I should post, I can't quite tell if they're the beginnings of more hydroids or anthelia. I'll post a pic tonight.

Ruth · #8 02-18-2006, 12:03 PM

Christy did you ever manage to get these things under control. I have one green star polyp rock that is now covered with these things. If I bannish the rock to the sump with that still allow them to spread to my display? I really hate to just toss the rock or epoxy the whole thing as the GSP are really nice ones but OTOH don't want them through my whole display.

Beverly · #9 02-18-2006, 02:09 PM

Ruth,

Don't know if I got them all, but while re-aquascaping my 37g a couple of weeks ago, I found lots of little groups of these hydroids. They grew mostly in crevices in the rock, and mostly on one rock, though there were a few groups of them on other rocks as well.

I used a heavy duty wire cutter to cut out the rock surrounding the hydorids. It took forever to cut around them and then to finally get to the base of them and cut them out. I also used tweezers to remove any chips of rock that did not automatically fall off the rock as a means of making sure I did not recontaminate the rock with stray hydroids I'd already cut.

I'm pretty confident this method worked on the hydroid groupings I found, but my fear is that I didn't get them all. Took over an hour to do about 25-30 lbs of rock from that tank.

Have not seen them in any of my other two tanks, but am particularly concerned that they may also be in my 67g as the 37g and 67g both have some rock from the same shipment.

christyf5 · #10 02-18-2006, 04:13 PM

Quote:

Originally Posted by Ruth

Christy did you ever manage to get these things under control. I have one green star polyp rock that is now covered with these things. If I bannish the rock to the sump with that still allow them to spread to my display? I really hate to just toss the rock or epoxy the whole thing as the GSP are really nice ones but OTOH don't want them through my whole display.

No Ruth, I haven't managed to kill any of the little buggers. I have two rocks that I think are covered with them. One rock is exactly like the photo I posted, the other rock sort of looks like maybe anthelia is starting on it, the "stems" aren't as thick and they only have 5 "rough" tentacles that remind me of anthelia. I'm actually thinking about taking both rocks out and boiling them.

BTW, you can get GSP off rock pretty easily, they sort of peel off in sections, just start it with a sharp knife. At least you could recoup some of them. Make sure they don't have any hydroids mixed in though.