Help with a couple of IDs please.

FishFreakLuke

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Well, I'm wondering if anyone can help with a couple of things that have started to get out of control in the tank.
The first photo looks like a bunch of palys. However, the surrounding hairline feelers are extremely long and seem to have to much movement. They come and go in waves through the years that I have had my reef, BUT this time they seem to be taking a foothold on the live rock. Are they hydroids of some sort?
The second picture is kinda crazy, ball anemone maybe, but literally their are about 100 of them..no bigger than a quarter, (not all of them) but like I said before, they are starting to swamp the tank too..
Any help would be much appreciated!

20250402_215522.jpg 20250402_220029.jpg
 
Well, I'm wondering if anyone can help with a couple of things that have started to get out of control in the tank.
The first photo looks like a bunch of palys. However, the surrounding hairline feelers are extremely long and seem to have to much movement. They come and go in waves through the years that I have had my reef, BUT this time they seem to be taking a foothold on the live rock. Are they hydroids of some sort?
The second picture is kinda crazy, ball anemone maybe, but literally their are about 100 of them..no bigger than a quarter, (not all of them) but like I said before, they are starting to swamp the tank too..
Any help would be much appreciated!

20250402_215522.jpg 20250402_220029.jpg
Colonial hydroids. Burn that rock.
Angry Over It GIF by Simian Reflux
 
Surething...my lights are off for the night, tomorrow after I get home from work I will turn up the white and take a few more shots.
Thanks
 
Colonial hydroid and ball anemone
 
Thanks, any suggestions?
Not kidding with let it burn.
1743653816796.gif

I bought a rock of nice mushrooms from the LFS. Apparently it got colonial hydroids on it and they grew rapidly and killed all the mushrooms and stung the back of my hands. Tossed the rock in a bucket outside and it's been there for 6 months.

Practically impossible to get rid of. I tried dowsing them in F-aiptsia, but they grow fast and can spread, so I just wrote the rock off as a loss.
 
Colonial hydroid and ball anemone
100% backing this ID
while i personally never had an issue with ball nems i know many have
in my tanks they didn’t multiple a lot and only occupied super shaded spaces where no corals were
 
Not kidding with let it burn.
1743653816796.gif

I bought a rock of nice mushrooms from the LFS. Apparently it got colonial hydroids on it and they grew rapidly and killed all the mushrooms and stung the back of my hands. Tossed the rock in a bucket outside and it's been there for 6 months.

Practically impossible to get rid of. I tried dowsing them in F-aiptsia, but they grow fast and can spread, so I just wrote the rock off as a loss.
Thank you, I will toss it out then.
Not kidding with let it burn.
1743653816796.gif

I bought a rock of nice mushrooms from the LFS. Apparently it got colonial hydroids on it and they grew rapidly and killed all the mushrooms and stung the back of my hands. Tossed the rock in a bucket outside and it's been there for 6 months.

Practically impossible to get rid of. I tried dowsing them in F-aiptsia, but they grow fast and can spread, so I just wrote the rock off as a loss.
Thanks, I do appreciate your experience..I guess the rock is toasted.
 
Thank you, I will toss it out then.

Thanks, I do appreciate your experience..I guess the rock is toasted.
Yeah it sucks, but if you search the forums here, you'll see colonial hydroids are a huge pest and difficult to eradicate. You don't want them popping up elsewhere. They will kill corals without a second thought, can irritate your skin, and are a weed.
 

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