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Author Topic: Reef Dandelions?  (Read 294 times)

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Online Reeferntraining

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Reef Dandelions?
« on: April 30, 2019, 20:15:53 »
My 40B system is stable and doing good but unfortunately, I have these wispy dandelion puff ball things popping up everywhere. I got a couple emerald crabs and they took care of some of it but the crabs tend to stay close to their hiding place. I can’t find any information on what these things are so thought I would check here.

Offline dbjonesjr

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Re: Reef Dandelions?
« Reply #1 on: April 30, 2019, 20:18:33 »
Some type of sponge would be my guess (based on that photo). I have all kinds of weird sponges that pop up periodically from some very old pukani I got off somebody.

Online Reeferntraining

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Re: Reef Dandelions?
« Reply #2 on: April 30, 2019, 21:03:41 »
I do have sponges, but these things are more like a plant. If left unchecked, they grow 3-4 times the length in the pic with a few “branches” coming off.

Offline dbjonesjr

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Re: Reef Dandelions?
« Reply #3 on: April 30, 2019, 21:18:03 »
Interesting I’d love to hear what others think.

Offline jjoos99

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Re: Reef Dandelions?
« Reply #4 on: April 30, 2019, 22:59:39 »
ck this thread. not sure but is this what they are?
https://www.reef2reef.com/threads/digitate-hydroids-obsession.147989/
Jeff

Online mtamorrow

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Re: Reef Dandelions?
« Reply #5 on: May 01, 2019, 08:00:36 »
My vote is hydroids
It costs HOW much?!

Offline Lazylivin

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Re: Reef Dandelions?
« Reply #6 on: May 01, 2019, 09:25:37 »
I agree they are hydrozoan which is a Jelly Fish and the bloom is an unfortunate side effect from feeding small fine particle foods. If you stop they will go away or be significantly reduced to where you won't notice them.

Online Reeferntraining

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Re: Reef Dandelions?
« Reply #7 on: May 01, 2019, 11:54:21 »
My understanding is that hydroids normally have a calcerous tube around their base? I may have to get out the macro lens to get a better pic.

Online Reeferntraining

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Re: Reef Dandelions?
« Reply #8 on: May 01, 2019, 12:04:27 »
Guess not, after you narrowed it down, I think I found them on google images...,


Offline Wall_Tank

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Re: Reef Dandelions?
« Reply #9 on: May 02, 2019, 22:27:52 »
Those are different than the colonial hydroids that I have.  Those have the hard tubes and grow in clusters.

 

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