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

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a few more here

a few more here

first is a growth, there is one with a thick truck that hides when there is light on it, this one hides when i poke it... Aptaisa?


second....here is a crab i found, Dont know how i missed him, he is big, Click on it and blow it up in my photobucket, youll see him great...


last, no pic...but in the am before house or aquarium lights come on, another thing growing, it has 4 longer skinny arms and goes to a trunk, once lights are on in house its gone...any ideas?
 
first is a growth, there is one with a thick truck that hides when there is light on it, this one hides when i poke it... Aptaisa?


second....here is a crab i found, Dont know how i missed him, he is big, Click on it and blow it up in my photobucket, youll see him great...


last, no pic...but in the am before house or aquarium lights come on, another thing growing, it has 4 longer skinny arms and goes to a trunk, once lights are on in house its gone...any ideas?

The top picture is definitely aiptasia. I'm not sure about the crab in the second picture. (sorry) Just to be safe though, you might want to try and capture that thing. It could start running a muck if you just leave it alone. (eating fish, invertebrates, corals)
 
Payrion, your spider-looking thing might be a gall crab. I can't tell too much about him from the pic, but it looks too fat for a pycnogonid. Also, that looks like it might be a "gall" that he's living in.

Cheers,



Don
 
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Anyone? Couple more pictures on the previous page.

Creature died in the small container I had him in, but I'm still curious.
 
more IDs please

more IDs please

this is in a little live rock cave/hole...Is it a featherduster? or Aptaisa. It ducks when I put a flashlight on it...cant get a better pic.


this next stuff started growing today, doesnt duck when touched.
 
Hello all.

Can you see the little tentacles on the back of my trumpet corals skeleton? I can't get a good picture because its growing on the backside of the coral. I assume its an aiptasia. I have had the coral for about 3-4 months and have not seen anything until yesterday.

I was thinking of taking the frag out and dipping the skeleton in a bowl of fresh water then I would squirt it with lemon juice. Then swish it in SW before putting it back in the tank. That way I won't hit the polyps with lemon juice in the DT. Makes sense??

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Hey all,

Been searching the whole net for this, but so far, no luck. Maybe one of you old salts can easily make an ID for me? It's this black, net-looking stuff on my live rock: it's hard, and not at all slimy. About an inch square in the pic.

I broke some off by poking it with a toothpick, and then immediately regretted it as it drifted off (sank, mostly) to potentially colonize other areas of the tank.

Anyone know if it's anything to be concerned with?

Thanks!

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