Looking for some help identifying the following pictures

[tdowning]

Good morning all!

A few things popped up in my tank this morning that I have no idea what they are, especially since I didn't put them in. Any help you could offer would be great! The tank is about 10 days old, I have a clean up crew in there currently that is doing very well, just looking for some help with the pictures below. Thanks!

The first picture is the black urchin looking thing...not sure what it is.

The second picture are these little pink dots that have seem to pop up from the live sand

The third picture is the second day of the pink dots seeming to get a shell on them.

Thanks for your help!

 

[Coastie Reefer]

Looks like a baby urchin and maybe sponges?

Do you feed pellet food? Looks like decaying pellet food in the 2nd pic, not sure.

 

[tdowning]

Looks like a baby urchin and maybe sponges?

Do you feed pellet food? Looks like decaying pellet food in the 2nd pic, not sure.

I did drop some pellet food in their for the clean up crew two days ago. I'm assuming they'll just dissolve at some point then and disappear? And a baby urchin, kinda cool! s/he must of hitch hiked on the live rock when I bought it?

 

[Coastie Reefer]

Then yeah, it's pellet food that'll just rot away. I'm not an urchin expert so maybe someone else can chime in on it. Not sure if all are reef safe. #reefsquad

 

[tdowning]

Then yeah, it's pellet food that'll just rot away. I'm not an urchin expert so maybe someone else can chime in on it. Not sure if all are reef safe. #reefsquad

Thanks for the help.

 

[jsker]

Kind of look like sponges are popping up,

 

[stevo01]

I think that is the bacterias eating the left over pellets. Baby urchin for sure.