Another ID PLEASE

[elfloyd]

Noticed these starting to grow on one rock. One or two last week... about ten today. Size is less than 1/4". They are hard and stationary.

Good? Bad?

alt="" /></a>

 

[cr500_af]

Whatever they are, I have plenty!

 

[lilrobb]

The dog poo looking item in the right?

Vermetid snail...

 

[elfloyd]

No dogfish in the tank... but, hmmmm... it does look like dog poo! What is it...?

 

[elfloyd]

I do'n wa'n no Vermetid snail...!