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So, the last couple of days, my Euphyllia is acting up a bit. I am not sure if it is not feeling well, or if it could be splitting or perhaps something else I am not aware of. What do you guys and girls think/suggest? This morning The afternoon As for parameters, only thing that is slightly elevated is my phosphate, since I am trying to balance out my chemistry some more. Other then that, my latest paramaters, before the water change last monday.  Ammonia: 0ppm Nitrite: 0ppm Nitrate: ~10ppm Phosphate: .35 PH: 8.1-8.2 dKH: ~10.5 Calcium: 460 Salinity: 1.025 Temp: 77 Could it be preserving energy? Is it dying? I don't see any little critters, nor brownish goo, or zooxanthellae being expelled or whatsoever. It's been doing this for about 3 to 4 days now. Did a 25% waterchange on monday, to see if that would help out, so far it seems not to. Other corals and livestock seem to be ok and active and I haven't changed anything particular lately. Curious what you guys think could be going on 🤔.

We have had our Goniopora for about 6 months and at first it was super happy but slowly has started dying from the bottom up.If has stopped receding but the polyps never come out any more.We have moved it around the tank every couple of weeks to see if it likes a different spot with different flow and light but nothing seems to make it happy!Everything else is the tank is super happy except it. please help! https://imgur.com/a/n27Zbqh

I need help fast! It may be too late this morning I tuned on the lights in my tank and came back an hour later to see my lawnmower blenny on his side at the bottom of the tank. His gills and mouth were wide open and he didn’t appear to be breathing. I assumed it was dead and went to remove it but while I stared in shock my cleaner shrimp noticed the fish and ran up to investigate. The blenny quickly farted forward and then collapsed on its side again. As I watched over the next 5 minutes the leaner shrimp chased the blenny around the side of the tank as the fish tried to inch away in tiny bursts until it seemed completely paralyzed and the cleaner shrimp started picking into its gills and mouth. I was trying to decide what to do when my large serpent star came hustling out and grabbed a hold of the partlized fish which I could now see was barely fluttering it’s gills. I grabbed the fish and put it in the only isolated environment I have. One of those breeder nets that hangs off the side of the tank. That’s where he is now. Totally catatonic. I have ave a rabbit fish. Could it be that? All my other fish and inverts and coral are totally happy and healthy and based on the extremely sudden decline of the blenny I don’t know what could have caused him to die (dont know for sure but he’s not moving same as when I first spotted him). I don’t jnow what happened. I don’t know if my fish is dead or what to do. And I’m worried about my other fish. There are no signs of illness, malnutrition, or injury that I can see on the blenny. Does anyone know what might have happened or what kind of action I should take???!

I bought this three-headed frag of acans 2 days ago. They seemed pretty happy until now. I even fed them some frozen mysis last night. but there was always this one corner that seemed to be releasing a little bit of slime into the water. That'ss what corals do when they've recently been disturbed and moved" I said to myself, and I assumed it would just wash away. Then today I got back from work and found that corner oozing lots of slime and can see some exposed skeleton! the other heads seem very happy; no recession as far as I can tell. And even the oozing head seems happy besides. But something is clearly wrong. Did I tear the polyp pacing it in the tank? Is it infected? can I blame this on water chemistry and lighting? I need a diagnosis and I feel like I need to act fast based on how suddenly this injury appeared.

(I posted this same post in the corals forum) Hi. I'M new to the forum and was hoping some experienced reefers could offer some advice on my coral health! I have a 20 gallon DIY mixed reef tank that has been running for about 6 months. I have about 1 year experience running a 75 gallon reef tank that I took down about 6 years ago when I left for college. Everything I have added (soft corals, LPS, fish, inverts, nem) seems healthy and has been a pleasure to watch. Up until now I have never tried any SPS corals. 5 days ago I decided to venture into some "beginner" SPS. I don't have very accurate water testing kits so I am not looking to advance any further with difficult corals until I can at least better monitor my water parameters. I have a very large amount of live rock for the tank size and two hang-off-the-back filters (in case one ever fails). My heater is a decently stable and my digital thermometer always reads 78.4-78.8. My lighting is not very strong: Marineland LEDs rated at about 100 par at 12 inches and 6000K. It is also not diffuse at all and has almost spotlights of higher intensity throughout the tank. (yes, I plan to upgrade my lighting when I have the funds in about a month). I bought two montipora frags 5 days ago, one large orange monti cap and one small sunset monti. Both came from my LFS and were not shipped (at least not any time recently). To compensate for my low lighting I placed them about 5 inches down in the water directly under the "spotlights" from my LEDs. I really don't know enough to tell if they're doing ok or not. given that my situation is atypical bordering on stupid (I know it sounds bad) I want to make sure Im not killing the frags. I have a friend with a very successful SPS tank who will take them if I'm hurting them and I just don't want to see them die! I think they might be doing ok. I'll be watching for long term signs of health but I just wanted to ask if there are any issues visibly indicating immediate shock from new/bad tank conditions. Please don't be too hard on me. I know you'll want to know my water parameters and more details than I can probably measure. I don't want advice on keeping them alive as much as advice on how to tell if they're healthy (although all input is appreciated). If they aren't healthy I will rehome them at the first clear sign they're declining. I have attached pictures.

I have a 20 gallon tank that has been set up for about 6 months and have been having great success with soft corals so I decided to pick up a trumpet coral and chalice frag 2 days ago. The trumpet seems happy but the chalice looks concerning. I know they don't like a lot of light while they adjust so it is at the bottom of my tank out of the direct light from my led lights (they are not particularly strong anyways). right away i noticed a little bit of brown discoloration on the side of the coral. over the couple of days I've had it the brown area seems to have become more distinct although no skeleton is exposed. I know there's a lot of variables at play (water params, parasites, lighting, handling) but what I want to know is whether this is a sign of a serious problem. The brown spot hasn't really progressed noticeably in the last day so is it a cause for concern? Although I do want to know why this happened I'm more concerned with just knowing what is happening and how worried I should be.

Sup guys I've had this orange finger sponge for a few months, and it's been through so much - high nitrates, parameter changes, etc. It's lost branches and shrunk. I've finally been able to get it into a stable, clean tank without fish, and I'm curious about it's recovery. Sometimes when I squeeze it lightly, it releases that orange color on my fingers. Is it basically dead? Will it recover on it's own or do I need to help it somehow? how do I get the algae off it? Thanks

Hello guys, About two years ago, I picked up a green rhodactis mushroom from the reef store. As soon as I put it in my tank, it spread out very wide and became very colorful. I continued to love the coral, and it kept growing until it doubled in size and became as large as the palm of my hand. It kept on flourishing and growing like this for about a year. Then, I noticed it wasn't coming out as much and I took some observations and did some research and found out that it was going to split, and it did. So then there were two mushrooms, but it just continued to go downhill from there. They shrank very gradually and lost their color, but I figured it was just a small phase and did nothing about it. Now, a year later, one of them has disintegrated, and I have one left about the size of a penny. It's not colorful anymore. I miss how it was two years ago 😭 Water parameters have not drastically changed at all, I just don't know what's wrong. Please help

Please help me determine what is going on with my rock flower anemone. He has been in the tank for a couple weeks and he seems to have been doing fine. He has eaten some brine shrimp and otherwise has been just anchored to a rock. He now appears to have his mouth open and has a white string of something coming from it. It would seem that he may be dying, but I’m not sure why or if that’s right. Should I try to let him ride it out or remove him?

Hi all, I'm worried about a few of the corals in my tank. A torch coral I've had a couple months started losing some polyps over the past 2 weeks. My tank is 4 months old. I thought it was due to too high of flow, but after keeping one of the power heads off it hasn't gotten better. Now the one previously heathy head is completely deflated and looks to be dying. Our brain coral used used to expand very nicely and the past couple weeks has been shrunken in. We've had the brain a couple months as well. My toadstool leather coral is keeping its polyps retracted most of the day. When they're out it's only halfway. I have 2 clowns, a TSB, and a coral beauty angelfish in a 32 G biocube. I have seen the angelfish pecking all 3 of these corals. My mushrooms, xenias, alveopora, and 2nd bigger but newer torch coral are doing well. My water params: pH- 8 kH- 8 nitrates- 3-5 phos- 0 ammonia-0 Ca- 440 I do 5 gallon weekly water changes with RO/DI, consistently. I spot feed rotifers and mysis shrimp 2-3 times weekly. The brain used to like mysis I have stock lighting. Not sure what's wrong here. This is my first tank and Ive been trying to do everything right by it. I dipped the brain and the torch in CoralRX this morning and brushed a little hair algae off the brain. Starting to get pretty disappointed... Before: Today: before: today: Before: today: Link to to my journal:

I just got a favites frag a few days ago. Today I noticed one of the corners was chipped and the polyp damaged. The other polyps are behaving like normal. Will the broken corner polyp heal itself?

Hello All! As the title suggests, I have a green bubble coral that is currently undergoing some tough times. The lower-center portion of the skeleton is gone, but I still get decent extension from the remaining sections of the coral (I'll have pictures posted below). I've had this coral for roughly 4 months, and prior to this injury it would be roughly 9 inches across. This all started after a 20% water change and i believe, but not a 100%, I bumped the coral. I didn't notice any popped bubbles or severe pressing/pinching. This was roughly 2-3 weeks ago from now. Since then, the coral has shown progression and regression in different facets. The coral originally excreted a brown, mucous-like substance, but this stopped roughly 10 days ago (originally thought the coral had brown-jelly). Since then, the sides extend to a decent length, but the middle slowly is deteriorating. Any help would be greatly appreciated and tank specs will be below. Thanks! Tank Setup: 14k white LED's with moonlights (low to moderate lighting) (bubble is currently in a moderate-light location) 532 gph (2 pumps alternating on wavemaker) (anywhere from low to high) (bubble is currently in low flow) SG: 1.026 Calcium: 440 Alkalinity: between 120-140 mg/L (had to use test strips because kit was out of date) nitrates: <10 nitrites: 0 ammonia: 0 also have been using recent iodine supplement (has opened better since using supplement) Tankmates: 2 percula clowns 2 3 stripe damselfish 1 yellow-tail damsel toadstool leather eagle-eye polyps green-eye zoas kenya tree purple-tip, green bubble anemone red trachyphyllia green star-polyp The photos below in order are: the bubble closed up for better view of injury, the bubble a week after injury, the bubble two weeks after injury, the bubble a few months ago pre-injury