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

[FishHarder]

It keeps goong in and out. So its like a striped barnacle?. I couldn't find it online anywhere

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[hearttx]

Bristle or Fireworm?

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[Darth_Tater]

Looks like a normal run of the mill bristle worm.

 

[torresmd]

Can anyone help me identify this? Seems to be growing briskly. Just want to make sure its nothing I should be worried about.

 

[lowtek]

What about this guy? Thought is was an astrena star at first. But realized it's a shell. Thanks

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[Syho]

Type of crab? Came with the urchin hes on

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[kaputkittie]

Can anyone help me identify this? If I touch it with a stick it goes back down in the rock and only seems to come out with the light.

 

[Mryin]

Any ideas what this is? It’s all over my sump glass. Soft to the touch. And is it anything to worry about? Should I keep them scrapped?

 

[Dsekula]

Sponges

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[johnstarke]

please post more photos. It is very helpful.

 

[101010]

Can anyone help me identify this? Seems to be growing briskly. Just want to make sure its nothing I should be worried about.

GSP???

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[robmurray77]

Any idea what this is. Have a few pop up in different spots and they do move spots. I do have a few astria stars that seem to be splitting and multiplying is that what this could be they are oval shaped seem to have a black dot on them.

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[Sugar Magnolia]

Looks like a limpet.

 

[\Clownfish/]

Any idea on what this could be? It behaves like a role poly but has a slug type bottom. Top is shell like to. No legs and no visible eyes.

 

[Sugar Magnolia]

It's a chiton.

 

[chasejarvis0300]

Hello all! I was wondering what the heck this plant is?!? I thought it was dead when I first purchased the live rock, since then the algae has grown a LOT but this little guy has also changed and opened up! Any idea what it is?


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[101010]

Palythoa

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[MaverickX77]

I'm not sure if anyone is still on this thread anymore but was looking for help IDing a hitchhiker in my newly set up nano.

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[bertoni]

Looks like an Aiptasia to me.

 

[Sugar Magnolia]

Yep, aiptasia.