majanos everywhere

daddycadi

Member
thought i had an aiptasia infestation for long time..... turns out they are majanos. anyone had any dealings with these jokers?? what eats/kills them?? wonder if berghia nudibranch will eat them? need advice! thanks
 
had a tank with about a thousand of those jokers and I am not exagerating used a true falcula butterfly to get rid of them he did a great job. took about 3 months and I had to pull out a few rocks to get at the ones he could not reach. I also had to move a lot of corals out as well as he also liked them. have not seen a majano for about 2 years now.
 
Unfortunately, berghias will not eat them. Bummer. A butterfly is a great way to get rid of the pest however in a smaller tank, a butterfly may not survive long.

You can take out heavily infested rock, pluck/scrape them, then take a lighter to the base area and heat that area up. I had to do that when I had a few majanos. My battle has always been more with aiptasia. If only zoanthids and sps grew like aiptasia my tank would be awesome!
 
Update ... Not sure if it's a good idea, but I've pulled a few rocks with mostly zoas on them. I put them in a tpperware tub and commenced to pasting the majanos with pickling lime. I let it sit for q few hours then ran the rocks under the tap for a few seconds. The majanos appeared to fall into the sink when rinsed. Polyps seems to
Still be intact. Won't really know until tomorrow to see if they open up? Anyone try anything similar to this? Someone tell me what a bad idea this is
 
If you pull the rocks out I found you can just use a screwdriver or sharp object to pop a lot of the majanos off the rock intact with out spreading them. Manual labor but it works.
 
IMO majanos are simple to take care of. The problem is most people wait until they are at plague proportions. Butterflie Fish will take care of them but as you have noticed they also love most corals. Kalk paste will take care of them but with 1000's to take care of you should only do a few at a time so that you don't spike your PH and it is a long process. majano's like to make there way to the light. I used to place a large shell over the majano and they would make their way on top of the shell to get to the light. I would then take the shell out and wash off with hot water. Yes a long process I know.
 
Yea plague level is where I'm at! In the near future I plan on setting up a bigger tank. The last thing I want to do is transfer these bastards. The rock without anything on it I'll just dry out. Its the ones with the corals that I'm worried about
 
When I bought my big tank the liverock that came with it was covered in the them. I let the rock dry out in the driveway for around 6 months and its almost covered in coralline
 
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