What is this?

kenny_scotland · Nov 25, 2020

Noticed this thin blue thing that keeps appearing and retracting back into the middle of the rock.

Any ideas?

gentlefish · Nov 25, 2020

Brittle starfish arm looking for food...sorry picture is not good enough to make out arm details.

kenny_scotland · Nov 25, 2020

Next time i see it I’ll get the lights on better and take a pic it is quite a dark pic

ReeferWarrant · Nov 25, 2020

That looks like a worm of some sort, and not a brittle star. A better picture would help though, but I think I have seen what you have. Possibly a spoon worm?

kenny_scotland · Nov 25, 2020

do these help any better?

its difficult to see but there’s a wee white thing in the last pic in the middle. Seems to come from that

ReeferWarrant · Nov 25, 2020

Video's not working for me, is it coming out of that V shaped thing? Looks like a cucumber, or is it out of the live rock?

kenny_scotland · Nov 25, 2020

Yeah I can’t see to get the video working either. I’ll try as again.

It’s not coming from the v shaped part. There’s a small white “thing” just above that. Seems to be from there

kenny_scotland · Nov 25, 2020

Does the video work now?

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ReeferWarrant · Nov 25, 2020

I saw this article and thought I had an answer for you and its just a bunch of people saying vermitid because they have no clue what they are talking about....

Spaghetti Worm Or?

New tank so I've been watching for new stuff to show up. I picked up a Spongode coral saturday that was attached to a rock. Tonight looking around the tank with a large magnifying glass I spotted these thread like tentacles waving out from under the rock. I tried to get a picture but only one ten...

www.nano-reef.com

gentlefish · Nov 25, 2020

Reeferwarrant is right. That’s to thin to be a brittle star.

ReefBridge · Nov 25, 2020

I don’t think it’s a brittle star. It doesn’t look like a peanut worm either. It’s not a spaghetti worm. It’s not a bristle worm. Honestly, it doesn’t seem like any of the usual suspects... I’m not sure what it is yet.

KJ · Nov 25, 2020

Peanut worm.

kenny_scotland · Nov 26, 2020

I’ve had a right good google and a good search of the site.

could it be spionid worms? I spied 2 tentacles, if I can call them that, from the same place behind the rock last night plus another set coming out the bottom of the rock too

ReeferWarrant · Nov 26, 2020

@kenny_scotland I highly doubt they are spionid.

@KJ has not led me astray with his opinion on these things.

kenny_scotland · Nov 27, 2020

I managed to see some of it last night with a torch but couldn’t get a pic of it in time before it hid away in the rock again.

It did look like the body of a bristle worm. Kind flat, brownish in colour and lots of little spike type bits coming off the body.

Do these have this sort of tentacle?

kenny_scotland · Dec 2, 2020

This is the best I’ve managed to get a pic of it. There’s seems to be a few sets of tentacles at times coming from different parts of the rock at the same time.

any ideas?

JGT · Dec 2, 2020

kenny_scotland said:
This is the best I’ve managed to get a pic of it. There’s seems to be a few sets of tentacles at times coming from different parts of the rock at the same time.

any ideas?

Maybe a medusa worm.