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necessary or not? Ive been told fire worms are deadly killers, Of what are they needed in the mini ecosystem of a reef tank? or just a creepy cool looking pest

I had a beautiful Maxima clam until one morning I looked in my tank and just about all of the clam was gone except the shell. I removed the shell and inside were these red worms with a black line on them. I took them to the aquarium shop that I deal with and he identified them as fire worms. He...

I have recently started seeing a number of bristle / fire worms...some large some small some medium... im assuming they came with my live rock ... i have heard that they can kill fish and or corals...just wondering if they are a good thing to have or a bad thing....they only come out at night...

Spotted my red serpent starfish mangling a snail a couple hours ago....what caught my eye was the crab on TOP of the serpent star, then I noticed that the serpent had a snail underneath it....I only assume the serpent was sucking the life out of the snail at the time, and the crab was looking...

I have a 200 gallon tank that has been up for over 20 years. For the past year everything I put into it, except fish, dies. Finally yesterday we looked for possible Bristleworms at night. We were shocked. There were, no kidding, thousands. We have ordered a trap, but does anyone have any...

Finally caught this stinker !...Hard to tell from this shot but I estimated him to be three feet long. He was stretched along the diameter of the garbage can you see in the image and was just about head-to-toe ;)

Can someone please help me or at least tell me whats causing this, i have a colony of over 35 heads of hammer in my large tank, ive had it for over 2 years, its been doing great, but it started going down hill last month, its shrinking more & more every day, ive lost 3 heads & 6 more are almost...

Would my livestock survive if I completely changed my sandbed and changed out all of my liverock? I'm thinking of maybe getting fully cured liverock. Even though I think my liverock is very slowly coming around it appears to have some small purple spots coming back in. I seriously me very slowly...

any info on these guys would be great ie normal behavior when 1st added and l8r on, WHAT TO FEED THEM, any other advice?

i see them on the glass and know what they are but i dont know if they are benificial or not and if not what can i use to get ride of them? i also see in my aquarium at night britle worms and a small shrimp looking thing (not a mantis) any suggestions on what this is help is appriciated

No not MY brain but the one in my tank! SO we talked about it not looking sooo hot! I will try to get pics up soon but here is the problem. It has not opened in days now. Last water change before I saw an issue was Saturday the 9th did another one today! About 10-15 gal each time total system...

Can someone help me. I have seen pics of both fire worms and bristles but many are pics of the same worm. How can you really tell the difference? I have some red worms with feathery looking legs but no obvious front or back. I think I remember someone saying fireworms have a large mouth with...

i found this in my tank and was freacked out. and it stung me!!!!

I was looking in my tank and saw a worm lurking in my hammer coral. It was red and looked to be spiney. I have heard about worms with this sort of appearance that grow to 8' and eat soft corals. What should I do, and do you think I'm right about the type of worm? I think ive heard the name fire...

From what I've read bristle worms (although ugly and painful to the touch) are ok to have in your tank since they also are cleaners. My question is, do they have there own population control? (If there is less to "clean" some will starve and die off.) If not, is there a natural predator that is...

What are these guys,about 1 1/5" long,real small.Good,Bad??

I just cought a huge bristle worm out of my 40. its about 1/4 inch X 6 inches long. Is he a good thing to remove. I have heard of them getting to big and thats when they can be an issues. Or should i just put him back and be glad I got to observe him??? Thanks Mike

I lost most of my fish, most of my inverts, and the tank just about wiped itself out! Water levels tested just pefect, other than SLIGHTLY high (not above 20) nitrates, and the symptoms of death included: Acting normally, suddenly turning pale to the point of white, thrashing a few times, then...