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Pest mollusk? in my salt tank

Clay Davenport

Clay Davenport

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Anybody know what these things are? They are very tiny, four or five could fit on a pencil eraser. THey have a hard pointed shell, and they can grip the tank very well.
They had proliferated in my last salt tank, a smaller temperary setup. When I moved the rock over to the large tank I picked off all of them I could find, but over time they have repopulated. As far as I can tell they don't hurt anything, they're really just an eyesore more than anything.
I suppose all I can do is pick them out but I have always wondered just what they are exactly.
 

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Baby snails. That's a GOOD thing with a SW tank. It means you have a nice stable tank where the creatures can reproduce. These guys will be your clean up crew.

On another note, have you had any copepods reproduce in your tank? Little white things? Great steady food source for fish and other inverts int he tanks.

You know the tank is doing good when little critters pop up.

Also, DO NOT kill britleworms if you find them. At one point they were thought to be bad but recent concensus is that unless they are massive (15-18 inches long) they are excellent to control detritus. I used to be too lazy to remove them. LOL. Eventually found out my laziness paid off (for once).
 
But what you see in the pic is as big as they get. Other than one lone bumblebee snail there are no other snails in the tank. I am assuming the bumblebee is still living, I rarely see him.
Could these be adults at this size and the actual babies be so small I can't readily see them?
 
Most likely they came in on the LR you have and are not from any that you purchased for the tank.
 
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