My experience with Berghia Nudibranchs

PapaDragon

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Let me start by saying I didn't have the worse aiptasia problem I've seen, but it was pretty bad. They were on rock work I couldn't reach and my corals were not happy with the infestation. I tried controlling them with aiptasia-x, Joe's juice, and everything else I could find. Unfortunately it felt like four new aiptasia would popup for every one I'd kill. It was getting out of control. I will be the first to admit I was very skeptical of trying the Berghia Nudibranchs. Why? Well here were my hangups:

  • These suckers are small. The "Big" one's are less than an inch. I had some aiptasia that were huge. How in the world were they going to handle my giant aiptasia?
  • They are expensive. I have 150g tank and the recommended number I needed was 15 (1/10gallons) and that was going to cost me around $200 for the medium size (1/2 inch) ones. The most expensive frag in my tank was around $150 and I was looking at spending more on these.
  • The "instructions" say it can take up to FOUR months for your Berghia Nudibranchs population to be large enough to see any results and during that time you aren't suppose to treat the aiptasia with anything. I have to wait four months and hope that they will take care of the problem? Every day I could see my aiptasia problem getting worse and how bad was my tank going to be in four months if my population didn't increase.
  • They work at night after the lights go out so you have almost no way of knowing if the population is growing.

I obviously broke down and bought some of these things. I took a risky chance (I'm super cheap) and bought 10 medium size Berghia Nudibranchs. I ordered mine from http://reeftown.com/ because they had the best price and are in Florida. I took extra care acclimating them and followed the instructions to the letter. I placed the container they arrived in inside my tank and let them crawl out. That was the last time I saw them. Then the only thing to do was wait. The first month was horrible. Nothing was happening and I started thinking that perhaps my mystery wrasse had an expensive treat or I got scammed. Then during month two I noticed the rock I released them on was aiptasia free. Something was going on at night. To make a long story short, by month four I'm almost completely aiptasia free! I can only see one aiptasia left and he's on a rock that is alone on the sand bed. I am honestly in shock by how well this worked. Every day I checked my tank I could see that aiptasia were gone from the day before.
http://reeftown.com/
The only thing I would do differently if I had to do it again would be to buy the recommended quantity. I took a chance and it could have backfired. I could very easily have been writing about a different outcome and wasted my money. I let my cheapness put me in a bad position. I know better and even though it worked out this time I know I got lucky.

If you have an aiptasia problem Berghia Nudibranchs might be your solution.

By the way, anyone know how to trap them? I'd like to give mine to a few people in my reef club.
 
Use pipettes to suck out all the ones you see. You will need to get some more aptasia to keep them alive until you remove. Night time remove may be your best bet to catch them
 
Yes they are great ,I usually suck them up with a turkey baster at night and sell or trade them .
 
Use pipettes to suck out all the ones you see. You will need to get some more aptasia to keep them alive until you remove. Night time remove may be your best bet to catch them

Yes they are great ,I usually suck them up with a turkey baster at night and sell or trade them .

Thank you both! How long after lights go out should I start looking for them?
 
It just depends on tank mates couple hours should be plenty.
 
Same story for me! I tried every other method with no long term success. I almost tore my reef down before trying them. They work awesome! I've been aptasia free for a couple years now since I did it.
 
I'm tempted now myself with these. Thanks for sharing. It's nudis or a butterfly at the moment here, as I only have a hand full of corals that are on frag sticks.
 
I had a cleaner shrimp with no problems. Nudibranchs clean up the problem for me. And they multiplied quickly.
 
Wow really cool write up!! I've had trouble with aiptasia too although not to your extent. I know nudibranches have very specific diets usually but I'm wondering if they would attack zoas/palys too since they are related to anemones. Have you noticed any trouble with that?
 
Once the food depletes completely then they will start floating to the top of the tank. I would also run a sock on your tank over the next couple of weeks because as they continue to search for food they will end up in your sump. They trade super easy and you will get out what you put in them plus.
 
a filefish could also work. Has for me. They decimate the aiptasia population and bristle worms eventually turning on your coral cat that time they become a wonderful fuge inhabitant until needed again. Big fan.
 
Great story! It's nice to hear somebody doing it the "right way".
I have been breeding berghias for many years now and am always amazed by the silly stories of all the things that people go through to try to eradicate their aiptasia.
When your berghias run out of food they will turn a bright white color and become much more active, even during daylight. But night time would be the best time to search for them with a flashlight. If you have a turkey baster, use that and try to blast them off the rock or glass before sucking them up. Don't be afraid to blast them too hard. They are almost impossible to hurt with just water but tweezers or scraping will likely kill them.
 
I've been wanting to get some, great write up! My aptasia isn't too bad, but I don't want it getting out of hand. Going to need to look into getting some.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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