2 types of worm and a squishy sac

captain_jimmy

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Morning

This stuff is on some live rock in curing at the moment. From KP aquatics.

I asked this in another thread but it's buried so trying again. I ha E one of the worms isolated in a jar in the brute that the rock is curing in so want to know whether it stays or goes.

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Red and black worm. About 2 inches long.

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A yellow worm I have seen wiggling along the surface a couple of times. About 1 inch long.

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This sac is firm but slightly squishy.
About 1.5 inches long.
 
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Mibu

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picture 1 - common bristle worm. You can keep or toss, up to you. Normally not a pest if you don't over feed your system.
picture 2 - some type of seaslug/nudibranch or even a sea cucumber. Look at the mouth and see if it has feeders on the end. No idea which one it could be.
3 - Tunicate. Very safe, just a filter feeder and maybe a little photosynthetic. So put it in a place it will receive light. Or it will lose its color and die.
 
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captain_jimmy

captain_jimmy

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That bristle worm will get very big, up to 6 inches or so. If it's like the ones I got from kp. They are great scavengers.
Haha my wife will lose her mind if she sees one 6" long. I made the mistake of showing her a bobbitt worm video once...

Are big bristle worms reef safe?
 
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Mibu

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Haha my wife will lose her mind if she sees one 6" long. I made the mistake of showing her a bobbitt worm video once...

Are big bristle worms reef safe?
Mine haven't hurt anything. I have mushrooms, goniopora, torch coral, hammer corals. All the worms do is go after food in the water. They sleep with my firefish gobies as well.
 

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