What kind of live rock is this?

[jonyaple]

I just bought a couple pounds of live rock the other day. This one looked pretty nice but I'm wondering what it is exactly. There are also tiny things inside the holes that have 5 or 6 antennae that come in and out randomly. What are these things inside the rock?



Thanks!

 

[qwerty1]

Shrimp that hitchhiked? get a picture of them and I don't know what kind of rock that is, don't quote me but i believe it is uncured.

 

[jonyaple]

They go in and out sometimes and there are 4 or 5 of these.

 

[Kevin8888]

those are likely some sort of worm, maybe a type of feather duster.

 

[studd muffin]

Feather duster? Aiptasia?

 

[Kaosu]

...a barnacle maybe?

 

[jonyaple]

...a barnacle maybe?

I think you are right. They are barnacles

 

[Tiger-army]

If its a slit type opening with a fan facing one direction like a claw I think it's barnical



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[mattstevens1]

Looks like the skeleton of dead corals to me... And That isn't aiptasia. Looks to be a barnacle to me

 

[Kevin8888]

Now barnacle has been said I tend to agree, looks like the right feeder tendrils for one, didn't even think of them as not many people have them survive "curing" and what not.