Zoa Eating Nudibranch

rynoh64 · 11/21/2019, 04:32 AM

How do I get rid of Nudibranch without killing other organisms like bristle stars. I dipped coral before putting it in tank but I think I missed the eggs nou my tank is full of small ones.

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mcgyvr · 11/21/2019, 05:35 AM

Manual removal or find a predator of them like a Yellow Coris Wrasse,etc...
Flatworm exit can be used too

wrott · 11/21/2019, 10:03 PM

Well they only eat zoas, so let them munch out then die, if you only have a few colonies left.
Next time FW dip, and QT for a few weeks, Bayer dips would work during QT.

Don't worry bout brittles, they cone and go.

rynoh64 · 11/21/2019, 10:27 PM

Quote:

Originally Posted by mcgyvr

Manual removal or find a predator of them like a Yellow Coris Wrasse,etc...
Flatworm exit can be used too

Thanx, will get some flatworm exit and give it a go.

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rynoh64 · 11/21/2019, 10:29 PM

Quote:

Originally Posted by wrott

Well they only eat zoas, so let them munch out then die, if you only have a few colonies left.
Next time FW dip, and QT for a few weeks, Bayer dips would work during QT.

Don't worry bout brittles, they cone and go.

Don't think I want them to eat the rest of the zoas that is left, coral cost a lot in South Africa

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vette68 · 11/23/2019, 12:08 PM

Those look like berghia nudibranch. Find someone with aptasia and sell them. I almost paid $20 a piece for them last year, but bought peppermint shrimp instead.

ThRoewer · 11/23/2019, 01:04 PM

Quote:

Originally Posted by vette68

Those look like berghia nudibranch. Find someone with aptasia and sell them. I almost paid $20 a piece for them last year, but bought peppermint shrimp instead.

They may look the same but they are a different species that is specialized to eat a different coral (technically Aiptasia belong to corals). These nudibranch species are so specialized that they won't touch anything other than their target coral genus or even species that retraining them on other food sources won't work.

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rynoh64 · 11/23/2019, 02:04 PM

There are a few aptasia in the tan but they only eat the zoas.

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wrott · 11/23/2019, 04:47 PM

Can you remove the remaining zoas to a QT tank for 6 weeks, you might can solve the problem.
Still dip zoas every week while in QT. Good luck
(Sorry, I'm just shooting from the hip since I don't know how many colonies you have)

vette68 · 11/24/2019, 09:17 AM

Quote:

Originally Posted by ThRoewer

They may look the same but they are a different species that is specialized to eat a different coral (technically Aiptasia belong to corals). These nudibranch species are so specialized that they won't touch anything other than their target coral genus or even species that retraining them on other food sources won't work.

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That’s interesting. I didn’t even know there was such a thing, but looking around I see a bunch of people have been talking about the zoa eating berghia. That makes me happy that I didn’t actually purchase berghia from a local store. Who knows what exactly I would have purchased. That certainly has to make one think twice about purchasing berghia if there’s no definitive way to tell the difference between the 2.

There’s always something new to learn in this hobby. Even after 20 years....

rynoh64 · 12/15/2019, 06:55 AM

Flatworm exit did the job thanx a million, now I'll just keep an eye out and get myself a Banana Wrasse to help me.

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11/21/2019, 04:32 AM	#1
rynoh64 Registered Member Join Date: Nov 2019 Posts: 6	Zoa Eating Nudibranch How do I get rid of Nudibranch without killing other organisms like bristle stars. I dipped coral before putting it in tank but I think I missed the eggs nou my tank is full of small ones. Sent from my SM-N970F using Tapatalk

11/21/2019, 05:35 AM	#2
mcgyvr Registered Member Join Date: Sep 2003 Location: North Carolina Posts: 20,050	Manual removal or find a predator of them like a Yellow Coris Wrasse,etc... Flatworm exit can be used too __________________ Who me?

11/21/2019, 10:03 PM	#3
wrott Registered Member Join Date: Mar 2004 Location: Alabama Posts: 2,912	Well they only eat zoas, so let them munch out then die, if you only have a few colonies left. Next time FW dip, and QT for a few weeks, Bayer dips would work during QT. Don't worry bout brittles, they cone and go. __________________ OK, but where does the meat go! ------------------------------------------------ 120g SPS, 125g mix, 56g FOWLR, 20g qt

11/23/2019, 04:47 PM	#9
wrott Registered Member Join Date: Mar 2004 Location: Alabama Posts: 2,912	Can you remove the remaining zoas to a QT tank for 6 weeks, you might can solve the problem. Still dip zoas every week while in QT. Good luck (Sorry, I'm just shooting from the hip since I don't know how many colonies you have) __________________ OK, but where does the meat go! ------------------------------------------------ 120g SPS, 125g mix, 56g FOWLR, 20g qt

11/23/2019, 12:08 PM	#6
vette68 Registered Member Join Date: Dec 2004 Location: North Olmsted, OH Posts: 68	Those look like berghia nudibranch. Find someone with aptasia and sell them. I almost paid $20 a piece for them last year, but bought peppermint shrimp instead.

11/23/2019, 02:04 PM	#8
rynoh64 Registered Member Join Date: Nov 2019 Posts: 6	There are a few aptasia in the tan but they only eat the zoas. Sent from my SM-N970F using Tapatalk

12/15/2019, 06:55 AM	#11
rynoh64 Registered Member Join Date: Nov 2019 Posts: 6	Flatworm exit did the job thanx a million, now I'll just keep an eye out and get myself a Banana Wrasse to help me. Sent from my SM-N970F using Tapatalk