Identification of small C shaped shells

Esdouglass · 09/14/2012, 03:00 PM

First time poster/newbie.

From what I have deduced so far, these might be fan worms? But none of the pics look exactly like mine.. So I wanted to post some pics. they are all over my rock and back aquarium wall. They are 1 mm or so in size. Any ideas would be appreciated.

Also, they are somewhat shell/calcium like, and require a little effort (relatively speaking) to scrape off.

75g Reef
2 months old

Thanks!

Erik

Esdouglass · 09/14/2012, 03:06 PM

Pics:

on388 · 09/14/2012, 04:58 PM

I forget exactly what these are called but I do remember they are perfectly harmless if that helps.

MARINECRITTERS · 09/14/2012, 05:47 PM

Spirorbis worm, harmless filter feeder.

09/14/2012, 03:00 PM	#1
Esdouglass Registered Member Join Date: Sep 2012 Posts: 10	Identification of small C shaped shells First time poster/newbie. From what I have deduced so far, these might be fan worms? But none of the pics look exactly like mine.. So I wanted to post some pics. they are all over my rock and back aquarium wall. They are 1 mm or so in size. Any ideas would be appreciated. Also, they are somewhat shell/calcium like, and require a little effort (relatively speaking) to scrape off. 75g Reef 2 months old Thanks! Erik Last edited by Esdouglass; 09/14/2012 at 03:15 PM.

09/14/2012, 04:58 PM	#3
on388 Registered Member Join Date: Jun 2012 Posts: 57	I forget exactly what these are called but I do remember they are perfectly harmless if that helps.

09/14/2012, 05:47 PM	#4
MARINECRITTERS Registered Member Join Date: Feb 2012 Posts: 1,525	Spirorbis worm, harmless filter feeder.