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ID: Yellow Nudibranch hitchhiker
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neurotivity View Drop Down
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Joined: January 19 2015
Location: Salt Lake City
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    Posted: July 15 2015 at 8:58am
Just discovered this little guy hanging out near the waterline of my aquarium. Is it reef safe? Should I pull him out?






Edited by neurotivity - July 15 2015 at 9:01am
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Lyscer View Drop Down
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Joined: May 20 2005
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sea lemon nudibranch? I've read that they give off a citrus smell when they are handled outside of the water. 
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When in doubt, put it in the sump!
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Originally posted by Hogie Hogie wrote:

When in doubt, put it in the sump!

words to live by.
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Mark Peterson View Drop Down
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Points: 21436 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark Peterson Quote  Post ReplyReply Direct Link To This Post Posted: July 15 2015 at 5:46pm
I take a more positive approach than above, because ~99% of all the animals in our tanks are beneficial as part of the amazing diversity of the ocean ecosystem. I leave new organisms alone and enjoy them, only removing one if it is seen doing harm or I find out for sure it is bad. The fact that it's roaming means it's not finding a preferred food. Unfortunately, almost all Nudibranchs eventually fade away and disappear due to starvation but until then - enjoy it.

Here are a couple of the good Nudibranchs I've kept.

Hooded Nudibranch


Spanish Dancer


and lastly, the only one I ever found that needed to be removed, as it appeared to be the type that eat Leather Coral.


Aloha,
Mark  Hug
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Joined: March 20 2011
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Points: 4166 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ReefdUp Quote  Post ReplyReply Direct Link To This Post Posted: July 15 2015 at 10:02pm
Several years ago, I had those yellow nudi's. They were so awesome! They reproduced well in my tank, and they just seemed to munch on algae. I completely forgot about them until this post. Wonder what happened to them....

If they're the same ones I had, they'll probably reproduce. A sump won't stop them.
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neurotivity View Drop Down
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Points: 199 		Post Options Post Options   Thanks (0) Thanks(0)   Quote neurotivity Quote  Post ReplyReply Direct Link To This Post Posted: July 16 2015 at 9:01am
I believe I've narrowed it down to what is considered Elysia the "Caulerpa Slug." 

With that being said, I wouldn't mind if it were to reproduce in my tank. Can you say free caulerpa maintenance? I just wonder how much it will consume. Ermm
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