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

Any idea what this thing is? I have seen it a few times before, it sora reminds me of an alevapora polyp.

High res original photo http://i.imgur.com/aGTmxE3.jpg

Cropped for size
aGTmxE3.jpg

looks like a asternia star.
 
I found a worm swimming around and then climbing on my coral (which concerned me). I removed it but I don't know what it is - I tried to identify but can't find anything that matches. See picture. Any guesses?

Thanks

Looks like a ribbon worm. Harmless.
 
Yellow05, i'm sure it would eat any meaty food.
Ptyochromis, the pic everyone keeps trying to ID looks like a baby coral of some kind. Is that a mouth in the middle?
 
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Diamond back worm? Baby Sundial Snails?

Diamond back worm? Baby Sundial Snails?

I've been through all 124 pages here and some I saw might match these but not 100% sure. Checked out Lionfish Lair's guide as well as Chuck's addiction. Let me know if you can help. This is my first post so please bare with me. I know I am rather wordy.

http://youtu.be/-JdQ5TbUf9A

1. Worm with weird markings. Thought maybe a nereid? I have seen tons that I could make out in the past 10 months or so. But have only seen a handful lately. And what is the brown little arm whipping at this worm as it get too close?

2. Tiny worm on glass. I always see these after my water changes. I also have the clear flatworms but can't find anything about this one.

3. I am almost sure this may be a vermatid snail? It's attached to one of my astraea snails. I wasn't sure of it's spiral shell. I hadn't seen any vermatids with this shape.

4. I know the red hair like worms are spaghetti worms but more curious about the little insects scurrying on the sandbed. Are these amphipods? Or are they too small? Some mite perhaps :/

5. In this clip it's a little hard to make out the worm in the center of the video. It looks like a bubbly off-white colored head with two tentacles popping in and out of a little tunnel. Also, more mite looking critters.

6. This is another priority id needed. I have a lot of these snails in my tank and I've seen them crawling on my zoas. I see sundial snails throughout my searches but the coloring is off for these in my tank. Wondering if these snails are okay to have in the tank. They aren't limited to the zooanthids but i'm still new to this so just concerned.

7. No ID needed. I know this is a bristle worm :) But another shot of those snails I'm wondering about.
 
Any shot anyone knows what type of pistol shrimp this is and if it's reef safe? I found it in my sump today after hearing clicking at night for a while. It's probably somewhere around .5 to 1 inch long.

Pistol1.jpg

Pistol2.jpg
 
Daftpusher,

#3 is definitely a vermetid, maybe a Serpulorbis species. #6 is a small turbinid, either a Collonista or a close relative. It's harmless.

Cheers,



Don
 
Anyone know what this creature is? (The bright green in the middle) it had like little horns/antennas!!??? :)

ry4a8aru.jpg
unuzavet.jpg
 
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Pix & ID: Critters that come in your rocks: the good and the bad.

Does anyone know what this creature is? It's the green thing? It had little horn/antennas! Ha
ga8agu3a.jpg
 
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