Please help me identify this

[bruhh]

It appears to have hole on top and its growing from the base of now-recovering-blastomusa, should I remove it?

Edit. Its tube like and completely stationary

 

[blaxsun]

There's not really enough detail to see anything other than a black blob.

 

[bruhh]

Its tube like and completely stationary

There's not really enough detail to see anything other than a black blob.

 

[blaxsun]

Its tube like and completely stationary

I can see that much, but it also looks like my black sea cucumbers, so...

 

[Just a Wrasse.]

There's not really enough detail to see anything other than a black blob.

with my eyesight, I barley see anything.

 

[bruhh]

with my eyesight, I barley see anything.

This is the best photo i can get, im sorry.

 

[blaxsun]

Does it move if you poke it?

 

[bruhh]

Does it move if you poke it?

Yes the top part retracts, but its base doesn't move.