disease

  1. K

    EMERGENCY Velvet?? Ich?? Something else??

    Hi all. I am currently freaking out. I’ve had this 75g tank for 3 years. All my inhabitants have been great. Until recently, I noticed my uv (coraline) and protein skimmer weren’t working properly. (Uv had pump issues, skimmer had calcium buildup) After fixing them, a lot of shtuff went into my...
  2. Lynnds6

    New anthias in tank…is this trauma?

    I added three female and one male Anthias yesterday to my Tank. All of my other fish are behaving normally and my water parameters are good. During capture the sales person was really rough with them (shook them out of a fake coral). My question is, could this be trauma? The pink and white is...
  3. Schlafrig

    Starry Blenny not eating in Quarantine Tank

    I recently bought a Starry blenny, Blue Eye Kole Tang, and a Royal Gramma and put them in a quarantine tank. I lost the Tang and Gramma within 24 hours of buying them. The Blenny is still alive but is not eating. Ive tried everything I have, LRS Fish Frenzy, NLS Pellets, Flakes, Hikari seaweed...
  4. C

    Ich or velvet? Which an I fighting?

    Well guys which one am I dealing with? No spots on other fish yet but this guys been In the tank a week and looks pretty covered to me. Didn’t see anything on him in observation which is weird. Ich or velvet?
  5. O

    Assistance in ID of potential parasite?

    My pristine powder blue was put in a 14 day isolation when I got him. Ate like a horse, no signs of anything. Seaweed and frozen. Added him to the display last night and within 24 hours, these spots popped up. The tank has had flukes in the past but haven’t seen any after a series of fresh...
  6. R

    Is this ICH??

    Hello Everyone! My first post on here and it comes with a worrying situation! The tank has been running for 5 years now with minimal issues thanks to all the advice on here! However! I added a large copperband butterfly about 2 months ago as the only new addition and over the last few weeks...
  7. G

    EMERGENCY Clownfish Skin Peeling

    I have a clownfish pair, and the male has the skin on only the left side of his body peeling. It is near his tail at the end of his body, and white. He behaves normally and still has a normal appetite, what could this be and how do I treat? There’s no other fish apart from the 2 clowns and no...
  8. D

    Is this Brook?

    Ive had this clown for about 2 weeks. Has had weird bruising around the head appearing about a week after adding him. As of recently im seeing some white coloration on the body. Seems to eat well and swim actively all throughout the day. It is a new tank with only one other clown who was just...
  9. D

    Clownfish SUDDENLY develop spots/white cast. Need help!

    I haven’t had any fish/coral additions to my tank for at least 4-6months now. My fish have been very healthy and eating well, but suddenly noticed these spots/ white cast develop on the body of the clownfish. Any identification would be great so I could determine the treatment ASAP. I have 37%...
  10. DakotaTheHutt

    EMERGENCY Ich, Velvet, or some other nasty?

    Hello all! After many years, seems my time has come... My lil buddy is sick, and by extension, I'm assuming all my fish are sick. Can anyone give me an idea if this is ich or velvet? I'm having troubles, but I think its velvet... I recently moved him (Last Friday) from one of my 50 gallons to...
  11. lasvegasbbqchicken

    my juvenile red striped cigar wrasse is struggling to swim

    my red striped cigar wrasse got cloudy eye a few weeks back, and it was healing well, then yesterday i found her laying on her side, so i did a water change, thinking it might be bad water quality because of the blue spiny lobster, but she still was weak. she was swimming around a bit in the...
  12. Jay Hemdal

    Self-Diagnosis of Common Marine Fish Diseases

    Self-Diagnosis of Common Marine Fish Diseases Jay Hemdal, c. 2025 Misdiagnosing fish diseases often leads to ineffective treatments, which can result in the loss of fish. Early and accurate diagnosis is critical for successful treatment. While the Fish Medics at Reef2Reef are trained to...
  13. A

    EMERGENCY Clownfish hanging on filter. Saddle Valentini sitting on live rock. Ich or velvet or brook?

    My clown is now dying. I have been using ich X saltwater and doing water changes daily. At this point am setting up 20 gallon hospital tank. Will use copper power. Please help.
  14. R

    EMERGENCY Copperband Butterfly disease

    Hi everyone, A few days ago, I noticed that my Copperband Butterflyfish is covered in kind of strange looking „white coating”, as you can see in the attached photos. I’ve never seen anything like this with any of my fish before. My Moorish Idol is currently dealing with ich, but I don’t think...
  15. A

    Brown jelly disease?

    Hey all, This is our first post and hopefully we are posting in the right place. We just got some corals for black friday. We are new to the hobby this year and have not yet had an issue with any corals yet. However, the octospawn we just bought never fully expanded and now it looks like one...
  16. A

    HELP SICK ROYAL GRAMMA & GOBY

    Today I just noticed weird behavior with my royal gramma and noticed its color looks whiter than usual. It’s breathing is normal and still actively eats. I spent an hour trying to get a good picture but couldn’t. I’ll still keep trying though. Since I noticed my gramma was off I checked every...
  17. D

    Black ich?? or hypermelanization

    My two clownfish have suddenly developed small black spots across their bodies. I’ve had them for about 3–4 months now, and the onset of the spots seemed quite sudden—after first noticing one or two, several more appeared the very next day. The larger clownfish is behaving normally, showing no...
  18. ReefRookie22

    Montipora Question

    Hi, I've had a Kung Pao Montipora Palawanensis frag in my tank for a couple of months now. My question is, is this growth normal? I mean the colour (pink) and the texture. It looks like it might be developing a yellow colour (which is correct for the variety) but overall I just don't think it...
  19. LOZReefer

    Melanurus Wrasse Raised Scales and Damaged Fins

    Got this Wrasse about 8 days ago. He had the raised scales behind his right eye about the 2nd day into QT. No meds in the tank as there are also coral and inverts in my QT tank. The bumps/raised scales have gotten worse over the last 2 or 3 days. I did a FW dip for about 4 minutes yesterday. No...
  20. E

    EMERGENCY My Clownfish has a grey streak!!

    I came home today and Saw that my Clownfish was not as active as normal so when I went over to double check I saw that it has a giant grey streak on its body and seems to not be well. I have had them for only about 3 months now. I have no clue what this is or how concerned I should be. Right now...
  21. R

    Unknown infection and growth/bubble under Golden angelfish eye

    Recently, I purchased two golden angelfishes (Centropyge aurantia) from a shop that I will not name and shame (reasons below). One of them immediately died within three days from a virulent bacterial infection that ended up also killing my mandarin pair and my male blue stripe pipefish that have...
  22. Joe Tony

    Orchid Dottyback Parasite?

    Hey guys, I bought this orchid dottyback a few days ago from my local Petco. The following morning I noticed this subtle white patch on it, and I'm not sure what it is. Did the dottyback scrape itself against some rock while trying to hide? It doesn't seem to have the salty look of ick, and I...
  23. A

    EMERGENCY My fish are dying no ich no velvet added Fritz Maracyn and then they started to die 3 fish still alive

    I added Fritz maracyn to 30 gallon Fowler tank. After this is when my fish started to die off. My coral beauty died 2 of my clownfish died. Only fish still alive are my goby green chromis and blue damsel fish. There is no ich or velvet I don’t know what’s going on. Added 2 packets of the maracyn...
  24. Unknown Vesical Disease

    Unknown Vesical Disease

    This article describes an issue termed the “Unknown Vesicle Disease” (UVD). It is characterized by one or more clear to translucent fluid-filled “bubbles” on the skin of certain species of fish. The cause of these vesicles is unknown. The outcome of infected fish varies; in some cases, the...
  25. tuggerlake26

    Clownfish breathing heavily, protrusion from gill

    I ordered a new clownfish online from a place that only offers captive bred fish. My tank is relatively new. It's been up for about four months. This is the second fish I've added. The clownfish was added about four days ago. Two days ago it started breathing heavily and stopped eating. Today...
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