Hydroids?

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Joeylm

Joeylm

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Good afternoon r2r!

Bout a candy cane frag from the lfs yesterday. Looked fine, never had issues with their frags before.

Noticed these guys on it today. Quickly removed it and returned the frag. I'm assuming they're hydroids, but how bad are they?. My question is will these things have gotten into my tank from being in there for less than a day? I dip my stuff and the lfs quarantines. Not sure how these got missed but what's done is done. Just trying to avoid spreading things in my tank I don't want. Thanks!

IMG_20220206_144547~2.jpg
 
1. Not everything is 'bad'.
2. There is no way to know whether they got into your tank (I'm not even sure its a hydroid)? BUT - yes - it looks possible.
3. its hard to tell from your pics - were the 'hitchhikers' on the plug or the coral. If on the plug - its why some (many?) take the coral off the plug.
4. Unfortunately - a dip - I do not believe would kill hydroids
 
MnFish1 said:
1. Not everything is 'bad'.
2. There is no way to know whether they got into your tank (I'm not even sure its a hydroid)? BUT - yes - it looks possible.
3. its hard to tell from your pics - were the 'hitchhikers' on the plug or the coral. If on the plug - its why some (many?) take the coral off the plug.
4. Unfortunately - a dip - I do not believe would kill hydroids
Click to expand...
They looked like this picture. (Pic I found on the internet)

They were growing on the coral stalk itself. Or else I would have just removed the plug.
 

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Joeylm said:
They looked like this picture. (Pic I found on the internet)

They were growing on the coral stalk itself. Or else I would have just removed the plug.
Click to expand...
Good that you took it back - and 2 - hopefully they did not reproduce in yoru tank and 3 - what did the LFS say (what did they think it was - since they saw it in person)
 
MnFish1 said:
Good that you took it back - and 2 - hopefully they did not reproduce in yoru tank and 3 - what did the LFS say (what did they think it was - since they saw it in person)
Click to expand...
My wife took it back because she was running errands. She showed the guy and he basically said "well you know you can't keep everything out of your tank and this is just something that will inevitably end up there at some point anyways." Kind of surprised me to be honest. I get that it's hard to avoid some things in this hobby, by why introduce something like that if it's avoidable. Especially things known to sting and irritate/kill corals. From what I understand this type of hydroid isn't nearly as bad as digitates but will still irritate them.
 
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Joeylm said:
My wife took it back because she was running errands. She showed the guy and he basically said "well you know you can't keep everything out of your tank and this is just something that will inevitably end up there at some point anyways." Kind of surprised me to be honest. I get that it's hard to avoid some things in this hobby, by why introduce something like that if it's avoidable. Especially things known to sting and irritate/kill corals. From what I understand this type of hydroid isn't nearly as bad as digitates but will still irritate them.
Click to expand...
My guess is that they are correct - they will come either way. My filefish attacks any aiptasia, etc. (of course my tusk attacks any snail, crab, shrimp) - so I have no CUC - and havent missed them
 
MnFish1 said:
My guess is that they are correct - they will come either way. My filefish attacks any aiptasia, etc. (of course my tusk attacks any snail, crab, shrimp) - so I have no CUC - and havent missed them
Click to expand...
Yep they are something that grows when you overfeed really. Otherwise they don't spread much if at all and may die out in a really clean, young system. They are all over my tank and my zoas seem to curl back from them but eventually spread over them so ¯\_(ツ)_/¯. I think most peoples' tanks have them as I didn't notice any for years and years until I started feeding reef chili.

I have heard that hermits eat them, which may have limited them in my system for a while but I have had no hermits for a while and they didn't show up until somewhat recently anyways.
 
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damsels are not mean said:
Yep they are something that grows when you overfeed really. Otherwise they don't spread much if at all and may die out in a really clean, young system. They are all over my tank and my zoas seem to curl back from them but eventually spread over them so ¯\_(ツ)_/¯. I think most peoples' tanks have them as I didn't notice any for years and years until I started feeding reef chili.

I have heard that hermits eat them, which may have limited them in my system for a while but I have had no hermits for a while and they didn't show up until somewhat recently anyways.
Click to expand...
It has to come from somewhere though, doesn't it?
 
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