Tag Archives: snail shells

Spirobid worms, not baby snails in Saltwater

29 Dec

You may see little spiral shaped objects in your Saltwater tank. They are very tiny, and under close inspection look a lot like a baby snail.

If they are on the glass and you scrape them off you will notice they have a hard shell like a snail.

But they may not be snails, there is a good chance they are Spirobid Worms. These are little tube worms that make a little shell. They are filter feeders, meaning they ingest water and filter it, keeping the particles they can eat.

They are not harmful and, in my aquarium, there was time I thought they were going to take over the tank but,  like many things in the Aquarium, a balance was achieved and now they are still there but in a modest population.

If you have baby snails, you will notice the snails moving about and getting bigger. The Spirobid Worms find a good place to live, they attach themselves and stay there. Also, they stay VERY small.

You can see the tiny Spirobid shells on the larger snail shells.