Pix & ID: Critters that come in your rocks: the good and the bad.

What is this inside the tube? It's in my sump.
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Please help identify I have two hitchhikers in the same she'll I think one is a bristle worm, should I leave him? The other comes out of a hole in the side of the shell slowly opens like a flower than if startled closes and hides super fast. What are they and should I leave them?

It looks like a bristle worm and a feather duster, both of which are harmless.
 
Stomatella or limpet possibly, hard to tell from the picture but the one on the left looks like that and if they all look the same then that's probably what they are. Get a closer and clearer picture to be sure. Both and great cuc
 
here is hopefully some better pictures of it. they don't move so i don't think they're snails.

it's soft and squishy when i touch it. is it safe?
 

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yellow slug?

yellow slug?

Hey guys. First if I'm posting this in the wrong place please let me know. Second. I have found some slug, or something attached to a zoa frag. 2 to be exact. I have not put them in the tank and was hoping if you could tell me what they are, and if they are good or bad. Thank you all in advanced for the help. It was one of the more interesting things i have seen in the hobby.
 
Pix & ID: Critters that come in your rocks: the good and the bad.

It's a nudibranch. Some of them eat zoas, but I would wait
For someone else to comment or Google nudibranch identification or something along those lines to figure out which species you have
 
first 2 pics one anemone i got private as a http://www.reeflex.net/tiere/1840_Cribrinopsis_crassa.htm
but im absolutely not sure pics doesnt look like it, maybe someone can

third pic pls id, i know bad quality

All of them are pest anemones. You'll want to inject them with Joe's Juice, Aiptasia X, boiling water.

Hey guys. First if I'm posting this in the wrong place please let me know. Second. I have found some slug, or something attached to a zoa frag. 2 to be exact. I have not put them in the tank and was hoping if you could tell me what they are, and if they are good or bad. Thank you all in advanced for the help. It was one of the more interesting things i have seen in the hobby.

Filter feeding cucumber, harmless.
 
Pix & ID: Critters that come in your rocks: the good and the bad.

6e8bb3bbbeceb462d102524cd48fd871.jpg
What is this guy? I caught him off the coast of sc in the marshes. I know it's a pistol that lost its big claw, but I'm curious as to what species it is.
 
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I have some of these on the glass lately, they look like this picture of spirorbis tube worms. Assuming they're harmless. Also have some small tube worms on the rocks that are a white/pale tan with a hint of red at the tip, maybe 1/4" long and 1/16" or less wide. The same tube worms?

Also have some sort of critters that aren't tube worms in my rocks. They are tiny white objects, with what look like thin hairs or tentacles, on stalks. Kind of flower looking items, do not look like anemones of any kind. I have a feeling they're some sort of jellyfish-like creatures. They don't contract when fish go near and just seem to float with the current. No pics since my digital camera broke and my daughter's camera won't do macro shots.
 
stock-photo-the-tubeworm-spirorbis-spirorbis-on-seaweed-133153700.jpg


I have some of these on the glass lately, they look like this picture of spirorbis tube worms. Assuming they're harmless. Also have some small tube worms on the rocks that are a white/pale tan with a hint of red at the tip, maybe 1/4" long and 1/16" or less wide. The same tube worms?

Check this out.

http://reefkeeping.com/issues/2003-05/rs/


Also have some sort of critters that aren't tube worms in my rocks. They are tiny white objects, with what look like thin hairs or tentacles, on stalks. Kind of flower looking items, do not look like anemones of any kind. I have a feeling they're some sort of jellyfish-like creatures. They don't contract when fish go near and just seem to float with the current. No pics since my digital camera broke and my daughter's camera won't do macro shots.[/QUOTE]

These kind of sound like Hydroids. The link below has some pictures for comparison, but at the top of the page you'll see some other options as well. Just as an example, Hydrozoan ID 1, Hydrozoan ID 2 etc.

[url]http://www.wetwebmedia.com/hyzoidf3.htm[/url]
 
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