Aiptasia??? Never seen this type before ( HELP with ID)

ChuckTownReefer

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So I have these weird type of I'm guessing is a type of pest anemone. But I have never seen them before. They even move and try to swim.
Also will Berghia nudibranch eat them??
Please any help would be appreciated.
I have posted videos and pictures

* it won't let me post the 20 second video of them moving. I could try and pm you the video but not 100% sure.

20230109_221253.jpg 20230109_221159.jpg 20230109_221010.jpg
 
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I think they are aiptasia, I've only heard of it once before but apparently it used to be more common to get this species that can swim. Would love to see it in action. YouTube works for most people trying to share videos.
 

Boloceroides mcmurrichi​


 
They don't look like aiptasia to me, which usually have a more obvious oral disk relative to the tentacles. Aiptasia only move by very slowly crawling with their pedal disk, or detaching and free floating. Maybe hydroid jellyfish?

If they are not aiptasia, then Berghia will not eat them.
 
Omg I love them!! I want them lol

Looks like Berghia do eat them but they can swim away… and drop tentacles as a distraction which can also become a new nem andddd they can swim right into your coral stinging them.

They sound like Aiptasia on steroids.

If it wasn’t winter, I would ask you to ship them to me. What a cool pest.
 
I think they are aiptasia, I've only heard of it once before but apparently it used to be more common to get this species that can swim. Would love to see it in action. YouTube works for most people trying to share videos.

 
Omg I love them!! I want them lol

Looks like Berghia do eat them but they can swim away… and drop tentacles as a distraction which can also become a new nem andddd they can swim right into your coral stinging them.

They sound like Aiptasia on steroids.

If it wasn’t winter, I would ask you to ship them to me. What a cool pest.

They seem hard to get rid of. Lol
 
they don't stick very well, can siphon out w turkey baster
or blow loose and net out .
were pretty common 20 yrs ago ,easy to remove.
 
OK I don't have time to research this extensively right now but as far as I can tell: "Berghia major" referred to in that link about Boloceroides mcmurruchi is not a valid species name; the accepted name for the species formerly called "Berghia major" is actually "Baeolidia moebii". This is not the same species or even the same genus as the commercially available Berghia stephanieae which we use to control Aiptasia in the hobby. Sorry but I don't think "Berghia" are going to help with this potential pest.

See WORMS links:
 
Omg I love them!! I want them lol

Looks like Berghia do eat them but they can swim away… and drop tentacles as a distraction which can also become a new nem andddd they can swim right into your coral stinging them.

They sound like Aiptasia on steroids.

If it wasn’t winter, I would ask you to ship them to me. What a cool pest.
This! @ChuckTownReefer if you're still battling these guys come March, I might have to work something out with you.
 
Yo i got some too! Heres a photo and video
 

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