Help with ID

[labernathy]

What do you think this is? It has moved down in the aquarium in the last few days and now resides under a rocky outcrop.
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[jennm]

Very hard to tell from the pictures. Could be anything from an Anemonia mojano to a baby hammer coral (do you have one that might have had a bud drop off?) - to a nudibranch. If it's a mojano or nudibranch I'd get it out of there. If it's a hammer bud, I'd leave it, or move it to a better spot.

Jenn

 

[cshack5405]

Better pic would def help man if you could

 

[labernathy]

Here are a few better pics. He is moving around almost like a snail or something. Climbing all over the rock anyway.
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[labernathy]

JennM;949165 wrote: Very hard to tell from the pictures. Could be anything from an Anemonia mojano to a baby hammer coral (do you have one that might have had a bud drop off?) - to a nudibranch. If it's a mojano or nudibranch I'd get it out of there. If it's a hammer bud, I'd leave it, or move it to a better spot.

Jenn

So, now that we are pretty sure what it is, why should i remove it? It has gone into hiding now but as active as it has been i am sure it will be out soon.

 

[nickg]

Out!!!!

 

[camellia]

Remove it and watch for signs of more eating your corals. You may have to treat your tank or Butterfly fish eat them I think?

 

[ralph atl]

barry_keith;949227 wrote: Nudibranch

lately, it occurs to me...

 

[jdavid]

When I saw the first pic I thought nudibranch as well.

The problem that I have with attempting to identify it is that the green color means very little for identification purposes. I do think it looks like a zoanthid eating nudi or very closely related as opposed to the "ribbon shaped" nudibranchs or the "sea slug" nudibranchs.

If it is a zoanthid eating nudi, the reason why it is green would be that it has been eating green zoanthids. It does appear to be an adult. Unless you have one adult, and no eggs, then there's very likely more than one of these guys. Begin your search for them on zoas and learn to identify the spiral shaped eggsacs. Then move on to other coral if the zoas are clean.

 

[jennm]

Yep, remove it. Keep a close eye on your corals too. Most of those eat a specific type of coral. So if your zoas start to wither or disappear, you might want to remove, inspect, and dip all your colonies. They're a devil to get rid of.

Some with a slightly different appearance, eat leather corals, and they can chew one up from a small entry point, and eat out the inside, until it's too late to save the colony.

If you have one, there's a strong chance you have more, so take a good close look for his buddies.

Jenn

 

[labernathy]

Will do! Thanks for the help!