urgent

Does anyone have any idea what this creature might be and if I need to remove it from my tank. I haven't seen it actively eating any corals (I have both LPS and SPS) It is completely nocturnal and I can't even attempt to locate it during the day.

As you can see I let my tank go for a few weeks at the worst possible time, I had some hair algae introduced to the tank through the addition of a frag with it, as well as a algae that I can’t recognize which is fuzzy. Any suggestions on how to get the algae under control will be greatly...

My smithi mantis was eating awesome and looked nice and healthy he then started to build a blockade in his cave as many mantis shrimp do to molt I thought he was dead on the end of week 3 so I tried to take it apart and they were wedged in there good! I opened a small crack and stuck the dull...

Hi all Added a longhorn and box fish 4 days ago and now seem covered in ich. I have regal and powder brown tang which do fine and don't have spots but it must be in the water. I have reef set up so will struggle with copper treatment. All water stats in the green is it just because they have...

Hi guys, bad news. One of my Holy Grail torches seems to be deteriorating. His head has almost fully detached and all of his internal filaments are visible. This is the third torch in the same amount of days to do this, there is no sign of brown slime? Searching brown slime disease just brings...

Does anyone know what may have caused my Torch to do this? He was fine a few days ago, noticed he was somewhat leaning so I righted him and the head facing upwards has just deteriorated

My angelfish (coral beauty) is laying in a hiding spot, still alive and on its side. What do I do to keep her alive, and get her back to health? What is this?

Advice needed I recently built this tank 90gallon plywood tank my seems appear to be leaking and capillary action is making it soak onto the wood I've fibreglassed the seals and covered with pond paint, I've then used pond seal to try and stop the leak but this has failed Please help I've...

Please help, I got a court jester goby yesterday and found him stuck in the filter this morning, didn’t think anything of it and just came up with the conclusion that he was too weak to fight the filter and told myself to do a water change after I finished work. Went back to my room to go get...

Hi everyone, So I bought this new zoa colony at an LFS where I have been once before and it's not doing too great. I bought the colony Saturday November 28th 2020 so I've had it for almost a week now. The issues: - Less and less polyps open up every day - White strings appearing at the base of...

My tank developed these cracks over 4 months or so. I haven't seen them increase at all, but I'm not sure if I should go ahead and start looking for a new tank.

No clue what these little white worm looking things are and need help knowing if they are good or bad for the tank

So my friend gave me a frag of green montipora digita to try in my tank. The polyps at the top seem to be doing great but the trunk of the coral doesn’t seem to have much response. I only got it yesterday. I’m just checking if this is normal? (Pic attached). Could it be a placing issue? It’s...

Hello, I have a 100L fish tank with one vagabond butterflyfish and one Picasso triggerfish. I have had these fish for about 1 and a half weeks now, and I suddenly recognised their behavior to be a bit abnormal. It was just today when I woke up, the trigger was breathing really heavily and...

My tank is about two months old and I have two clownfish and a clown goby. They all have ich I have a quarantine tank going and I bought cupramine at the store how do I dose it correctly. It’s a ten gallon tank filled to about 9 gallons. With a filter and heater.

Hello, I recently have been having a nitrate problem and I told my mother that mangroves could help. She took it upon herself to pick up some seeds from our local lagoon and put them in my reef tank without washing them. I was a little angry, but decided that if anything bad was going to happen...

Hello, I recently have been having a nitrate problem and I told my mother that mangroves could help. She took it upon herself to pick up some seeds from our local lagoon and put them in my reef tank without washing them. I was a little angry, but decided that if anything bad was going to happen...

so I got this leather coral last night, put it in the tank and it was going great thismorning however I moved it this afternoon to try to give it more space and it’s polips haven’t opened back up, I think in the process of moving it the torch coral stung it does anyone have ideas on what to do...

Calling all nemsperts - perfectly normal looking RBTA been in my tank a month or so. 2 days ago started walking but I corraled him into a floating basket all yesterday which ROYALLY ticked him off. Last night I tried placing him on a high rock and he latched on immediately. I fed him a small...

So I recently got my first expensive fish, the flame angel and it was doing perfect, eating and everything, the next morning he had ich loads of it, he is the only one in the tank with it so I took him out but I dont have a QT so I put him in a bucket with plenty hiding spots a heater and an...