worm id

It’s late at night and I was observing the night life on the reef, and all of a sudden this red like worm came swimming up to my light. I’ve never seen this particular creature before but it resembles a bristle worm but I’ve never seen them swim, and holy cow does this thing swim fast. Also has...

Hello good people of R2R, I have what I think is a Eunice worm in my tank but would love to hear that I am wrong. It decided to come out with the lights on today and I was able to get a decent look at it, and even snap some terrible photos- it is VERY sensitive to movement so unfortunately these...

My Fire Shrimp had a normal molt and for fun I looked at the old exoskeleton under my microscope. Is there a way to find out what sort of things live on a shrimp normally? Or if some of these little guys just live in the saltwater in general? Interested if anyone has good resources or knowledge...

I've noticed there are a lot of posts about worms already but I don't have time to check each one. So sorry but here's another one! Backstory: Bought a bunch of macroalgae from Gulf Coast Ecosystems and noticed a weird worm still alive between a bunch of branching Coralline algae. When I poke...

Had these guys start to takeover my tank anyone know what they are? They are about 2 inches and extend and retract their body to eat and have very small hairs on them like a bristle worm.

I’ve never seen any bristle worms this hairy? Any ideas??? Thanks, Joe

Found a red slimy worm that has stringy extensions could be a spaghetti worm but never seen one red. Sifted through the sand to see if there was more and didn’t see any so far. This one found going after my torch.

Found this worm looking thing on the glass? Looks like it survived a dip at some point, very dead now but thinking where is the other 100? Thanks!

Just noticed this and I think he has a little friend. Is this the start of aiptasia or is like a feather duster?

Hey guys, thanks in advance for any help. I’m hoping for some help IDing a wormlike hitch hiker based on description alone. I apologize I did not manage to get a photo of this thing as it only seemed to come out after lights off and it was super thin, the camera would not focus. I will try to...

Hello Everyone, So I am currently concerned but not too concerned about these weird pests that I have found living on my Zoa Coral. I am not sure exactly what they are but I would like to figure that out sooner then later. This way I can take care of it if needed. So far from what I have...

Hello, I recently started noticing 2 small white centipede like “bugs” on the glass of my tank. They have antennaes, many “feet” like a centipede, move slowly, and are completely white. The bugs are very small but still bigger than pods. My tank has been fallow for 8 weeks now following a...

Any ideas what this is. It doesn’t move and I can’t scrape it off. Just got him from the store

I got these pipes on my coral looking like a vein. It just came about 1 week ago on it. Will it harm it and how can i get rid of it? By movement or light, it pulls inside. First pic its out nd 2nd pic its hiding inside. thanks!

Just saw this floating around in the bottom of my bare bottom tank. Took it out for some inspection. Included pictures of what I would along with the rock if that would help identification. Thanks!

Hi! I noticed a nasty lil worm thing moving, inching its way out of a hole in the rock. Obviously I was curious to see what the heck it was so I turned the tank light on and it shrunk back in the hole. I'm new to saltwater tank keeping so I just want to make sure this isn't a harmful parasite of...

Cleaned out my HOB filter today and found this guy on the filter. Never seen anything like it before. Currently the tank has a six line wrasse, a diamond goby, and a couple hermit crabs. Tank is 29g also, any idea of what it could be?

My tank was taken down by a parasite, and after losing all my fish, I let it sit for a few months. No, I’m looking to get back in. I need to do some major maintenance. As I am beginning to clean and replace the water, I’ve noticed my tank is now infested with some strange worms. Should I...

Any idea what this little worm thingy is?

Hey guys! My friend found this weird critter in their tank and we have no idea what to ID it as. Looks like some type of worm. Unfortunately there’s no pics of it in the water but I’ll attach a couple of pictures from outside of the tank. The spikes along it move almost like an urchins spikes.

Hey guys anyone have any clue what this could be on my puffer? I treated the tank with parasite meds but I’m a beginner and I don’t know what’s going on I want to help him I have no clue how to please if anyone has any suggestions it’s getting darker and has been about 2 weeks since I noticed it

I found this worm in my tank today. Maybe 3-4inches long depending on how it's stretched out. Very skinny, and white with long hairs coming off the sides. The hairs are longer and further apartment than say a bristle, or fire worm. I've tried to identify it, but haven't been able to. Just...

I found this worm in my tank a week or so ago. I decided to pull it out tonight to get a better look at it. I don’t think it’s a bristle worm. I’m worried it may be a bobbit worm of some sort. Can someone ID? And tell if it’s dangerous or not. Thanks.

I was rearranging my scape and took two large pieces of live rock out overnight. This giant worm was on the floor, still moving so I put it in water. Bobbit worm, correct? I had 3-5 fairy wrasses disappear in the last year and a half. Most recently a Naoko. All new additions so I assumed...

I have this Worm isolated, not sure if this is a good or bad guy for my tank !! any ideas? thanks!!