Small critter ID resource?

[euromomtx]

I am sure somewhere somebody compiled pictures of small pods and cirtters and made a webpage about it.
I just can't find it.
Does anybody have a link to such a small critter ID page?
I love to look into my refugium and try and figure out what I have.
Besides the usual small copepods and amphipods I also have a lot of these horseshoe shaped bugs:

(the string beneath is a Cerith snail egg string and is not related to the bugs)
Or maybe these cute little snowflake critters:

 

[cloak]

Check these out.

http://reefkeeping.com/issues/2006-04/reefslides/index.php

http://reefkeeping.com/issues/2006-08/reefslides/index.php

http://www.xtalworld.com/Aquarium/hitchfaq.htm

http://www.chucksaddiction.com/

 

[euromomtx]

Thanks! I'll check them out

 

[GreshamH]

Horseshoe one is a harmless flatworm

snowflake looks like a medusa stage of something.

 

[demonboy369]

Im thinking the second one is a jellyfish polyp. check it out on chucks addiction under jellyfish it will show you.

not sure on the first one i cant find it anywhere. will check into the flatworms as GreshamH said. I have them as well.

 

[euromomtx]

<a href=showthread.php?s=&postid=15277079#post15277079 target=_blank>Originally posted</a> by GreshamH
Horseshoe one is a harmless flatworm

Are there harmless flatworms? I think I remember a post about people all freaking out about flatworms!

 

[Elysia]

Yes, there are harmless flatworms. These are pod eaters.

The "cute snowflake thing" is a hydroid.

 

[demonboy369]

pod eaters? hmm do you know a name or have a link? I have these as well and would like to know more.

 

[euromomtx]

<a href=showthread.php?s=&postid=15279400#post15279400 target=_blank>Originally posted</a> by Elysia
Yes, there are harmless flatworms. These are pod eaters.

The "cute snowflake thing" is a hydroid.

Hey I work hard at growing these pods! No wonder the hydroids and pod eaters are so prolific. I've been dosing phyto, etc. just to grow more pods ...not pod eaters!