Possible aeolid nudibranchs - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 19 Old 02-15-2010, 08:12 AM Thread Starter
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Possible aeolid nudibranchs

I have what appears to be two or three very small aeolid nudibranches (trying to get a good picture) on my zoa colony. How do I get rid of them?

There are also several brittle stars living in the colony that I would want to keep if possible.

Any suggestions?
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post #2 of 19 Old 02-15-2010, 09:41 PM Thread Starter
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Picked off three throughout the course of the day and don't see anymore... but where there is 3 I am sure there is 4 and a whole lot more. Any suggestions are appreciated.
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post #3 of 19 Old 02-16-2010, 06:49 AM
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I do not know the answer to this one. Perhaps OF2F or Wake can help.
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post #4 of 19 Old 02-16-2010, 01:52 PM
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Can you post a pic?



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post #5 of 19 Old 02-16-2010, 02:41 PM Thread Starter
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Quote:
Originally Posted by wake49 View Post
Can you post a pic?
Too small to get a decent picture and when I pull them out they kind of are not identifiable due to them being squashed.

I will find a decent picture online or try to take one tonight if I see another.
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post #6 of 19 Old 02-16-2010, 08:56 PM Thread Starter
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UPDATE:

Picked off a couple of more (about 6 total) and half of my zoas are now open again. I may try to continue manual removal.

Pictures coming. We got a decent picture tonight.
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post #7 of 19 Old 02-16-2010, 09:17 PM Thread Starter
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post #8 of 19 Old 02-17-2010, 06:15 AM Thread Starter
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Can anybody help to positively ID these guys? Should I stop trying to do manual removals and just do a drip? Or are these one of the reef safe varieties of nudis (doubtful)?

Soft Coral Reef:
2 ORA false percs (1 black, 1 misbar), 1 yellow watchman, 2 blue green chromis, 1 banggai cardinal, a yellow tang, 1 skunk cleaner shrimp, 1 emerald crab, 10 scarlet hermits, 10 blue hermits, 3 turbo snails, 4 astrea snails, green star polyps, xenia, green zoa colony, assorted mushrooms, purple tonga mushrooms, long polyp leather, finger leather, assorted softies.

Freshwater discus/angelfish:
Discus, angels, 1 clown pleco, plants and driftwood.
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post #9 of 19 Old 02-17-2010, 10:14 AM
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Those look like aeolid nudis. I would say that if the zoas are opening up after some manual removal, then they are detrimental to corals. There are a few species of wrasses that are said to eat nudis, like 6-lines, 12-lines, Coris wrasses and Mystery Wrasses to name a few...some of these tend to be aggressive in smaller tanks. Yours is a 46 bow if I'm not mistaken? This might be too small for a 6-line, but a Mystery would be a nice addition. They are expensive; I have seem them for upwards of $200. If you don't have the room for another fish, then manual or siphoning may be the only way to remove them.



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post #10 of 19 Old 02-17-2010, 10:40 AM
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Edit: I don't believe that there is a reef-safe Coris Wrasse. I would strike him from the list.



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