What is that!! A R2R guide to common new tank hitchhikers.

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KJones90s

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What are these?
Found in my as of now unseeded refugium.
There was one piece of live rock put in my DT but none in my fuge.
Can anyone assist in naming?
Are they pests or valuable creatures?
Thanks in advance.
 

KJ

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Hard to tell from the pic.
 
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Crabs McJones

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Some type of isopod perhaps. Not too sure
 

Reefer Robbie

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I have bristle worms. Have been trying to spear them with a long stick with a flat exacto blade at the end. I'm terrible at it. Original idea but not very effective. How can I eradicate them, without disturbing my corals.
 

KJ

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I have bristle worms. Have been trying to spear them with a long stick with a flat exacto blade at the end. I'm terrible at it. Original idea but not very effective. How can I eradicate them, without disturbing my corals.
Feed less and the population will decline. A couple of large ones in a tank is a benefit.
 

KJ

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Asterina Watch them!Diet Micro/film algae & coralline. Some varieties rumored to eat corals.
 
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erichuyn

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Have these weird strings growing out of the rock.
Can tear 'm off but they grow back quite fast.
They also seem to catch stuff from the water column.
They seem harmless but are really *****.
IMG_20190727_191453.jpg
 

2pawsreefer

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I have bristle worms. Have been trying to spear them with a long stick with a flat exacto blade at the end. I'm terrible at it. Original idea but not very effective. How can I eradicate them, without disturbing my corals.
Take a ladys nylon put a piece of raw shrimp in and tie it shut and put it in your tank overnight and take it out the next morning check and see what your catch was guy that services tanks at lfs told me the trick said its the only way that works for him
 

Jayh86

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Any idea what is growing on one of my money cowries shells?? Not sure but looked like they were moving in their own
 
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Crabs McJones

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Any idea what is growing on one of my money cowries shells?? Not sure but looked like they were moving in their own
I believe that's what they're suppose to look like. Is that a tiger cowrie by chance?
 
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