Found this in my tank
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IKD
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That is a type of nudibranch. There are some that are good (berghia) but there are some that are pests (Zoanthid eating). The berghia are usually white. I would remove out of caution but others may have specific ID.
Do you have zoanthids in your tank?
Do you have zoanthids in your tank?
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I just found this critter on my sand. Very cool looking.
Is it a good or bad critter?
I'm pretty sure it's a nudibranch, but not sure which variety. Some are good, some are bad.
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tydeck
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I have a bunch of Zoas.
Picked it off the sand but it was on the glass too. Glows orangey yelllow on sides
I’ll hold on to it for a bit.
Strange. I haven’t added anything in a couple of weeks.
Picked it off the sand but it was on the glass too. Glows orangey yelllow on sides
I’ll hold on to it for a bit.
Strange. I haven’t added anything in a couple of weeks.
IKD
2500 Club Member
Look closely around your zoa’s. Could have been eggs when they hitchhiked into your tank via a coral purchase.
Gtinnel
10K Club member
Like already mentioned it is a nudibranch and some are good some are bad. I’m no expert on them but from what I’ve read usually if they have some pretty colors on them they get that color by eating corals. That’s why the ones that eat aiptasia are not very colorful.
If he has some bright colors on his sides then I would take him out of the tank at least until a positive ID can be made.
If he has some bright colors on his sides then I would take him out of the tank at least until a positive ID can be made.
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IKD
2500 Club Member
Definitely do the dip, but you will need to inspect for eggs also as the dip won’t affect the eggs. If you can quarantine between the transfer and dip after an egg cycle to catch new hatchlings, that could help prevent carryover to your new tank.
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tydeck
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Well upon examine my zoas I’m infested with zoa eating nudibranches. I have dipped the zoas. And cleaned the rocks. Found around 10 in the post dip water.
any other suggestions? I plan on a redip again for the next 3 days. Cleaning off any eggs each time
any other suggestions? I plan on a redip again for the next 3 days. Cleaning off any eggs each time
IKD
2500 Club Member
Sorry to hear this, they can be a pain. Several articles out there address treatment. Here are a couple
How To Get Rid Of Zoa Eating Nudibranch
Zoa Eating Nudibranchs are small, slug-like creatures that take on the color of the corals they're eating. Zoa eating nudibranchs are very difficult to remove.
Zoanthid Eating Nudibranchs - Coral Rx Don't Risk It Dip It!
Zoanthid Eating Nudibranchs also are known as Zoa Eating Nudibranchs or Zoo Eating Nudibranchs are a type of aeolid nudibranchs which are known to feed on
coralrx.com
