Fish dying :(

[jazreef]

Hi, so I’ve had my saltwater tank running since October of last year. So far it’s been going well, had a bacteria bloom 2 months ago, but still fish were fine. I was noticing that my snails weren’t lasting for long, however, other inverts (ie. crabs, urchin) have been good. I got a purple anthias 2 months ago and I honestly did not think it was going to live because of its weird behaviour(isolated, didn’t eat), however, it pulled through but then recently died last week. Then 2 days ago my hippo tang randomly died, and today I noticed my fairy wrasse has been hiding all day, which I feel like is not a good sign. The only fish doing well at this point is my clown fish. I’m stressing out and don’t know what to do. I tested my water parameters, everything seemed ok but I tested for magnesium and it seemed a bit high, and nitrates were also slightly high too, around 25ppm. Could there be a silent killer in the tank? I’ve been so consistent with water changes and water testing , I’m not sure what I’m doing wrong and it’s so disappointing to see all my fish dying.

 

[WalkerLoves_TheOcean]

Sorry to hear this.

Have you noticed any sing of disease or sickness? (Not eating, breathing heavy, ETC?)

Have you added any live rock into the tank and if so, where was it from?

Have you found the carcasses from the dead fish?

 

[Jekyl]

Are you using RODI? Could be a reason for snails dying if not.

As for the fish we will need more information. If possible can you post some white light photos and a video of current fish? Also please look through this post.

Some Helpful Hints When Posting or Responding to Threads in the Fish Disease Treatment and Diagnosis Section

Aquarium Fish Disease Problem Solving Determining the best course of action for a problem with your aquarium can be a difficult task. Even advanced aquarists will often need to seek the help of others for complicated or unique issues. Our intent here on Reef 2 Reef is to offer expert advice...

www.reef2reef.com

 

[I never finish anythi]

I hope you find the problem. Post a short video if possible.

 

[I never finish anythi]

Hi, so I’ve had my saltwater tank running since October of last year. So far it’s been going well, had a bacteria bloom 2 months ago, but still fish were fine. I was noticing that my snails weren’t lasting for long, however, other inverts (ie. crabs, urchin) have been good. I got a purple anthias 2 months ago and I honestly did not think it was going to live because of its weird behaviour(isolated, didn’t eat), however, it pulled through but then recently died last week. Then 2 days ago my hippo tang randomly died, and today I noticed my fairy wrasse has been hiding all day, which I feel like is not a good sign. The only fish doing well at this point is my clown fish. I’m stressing out and don’t know what to do. I tested my water parameters, everything seemed ok but I tested for magnesium and it seemed a bit high, and nitrates were also slightly high too, around 25ppm. Could there be a silent killer in the tank? I’ve been so consistent with water changes and water testing , I’m not sure what I’m doing wrong and it’s so disappointing to see all my fish dying.

Nitrate at 25ppm won't kill fish .

 

[jazreef]

Sorry to hear this.

Have you noticed any sing of disease or sickness? (Not eating, breathing heavy, ETC?)

Have you added any live rock into the tank and if so, where was it from?

Have you found the carcasses from the dead fish?

So I’ll state what I noticed. I had a black clown a while back, this was the first one to die. I noticed when it was a day or 2 before it died, it looked like the black parts of its skin were almost lighter. When I looked at the body after death, it did look lighter. As for the anthias - it was weird from the first day I put it in the tank. It stayed in the corner and I honestly never saw it eating. But it lived for 2 months. The hippo tang I noticed some dark spots on its face, it seemed perfectly normal, then it died randomly. And the wrasse now has been hiding, I just fed them and it didn’t come out so Im anticipating it’s going to die. It has shown no signs at all. I have found all fish after they died. The only thing I’ve added a month ago was some old dry coral, and some bigger shells for my hermit crabs. I also have been adding vitamins that apparently help with HLLE which was what I suspected my tang to have

 

[jazreef]

Are you using RODI? Could be a reason for snails dying if not.

As for the fish we will need more information. If possible can you post some white light photos and a video of current fish? Also please look through this post.

Some Helpful Hints When Posting or Responding to Threads in the Fish Disease Treatment and Diagnosis Section

Aquarium Fish Disease Problem Solving Determining the best course of action for a problem with your aquarium can be a difficult task. Even advanced aquarists will often need to seek the help of others for complicated or unique issues. Our intent here on Reef 2 Reef is to offer expert advice...

www.reef2reef.com

I’ve been using RODI, I actually get it from my local pet store. I will share a video shortly.

 

[jazreef]

I hope you find the problem. Post a short video if possible.

I will share shortly

 

[jazreef]

Nitrate at 25ppm won't kill fish .

I don’t even know if my testing kit is accurate, it shows that my levels r normal

 

[Lavey29]

I don’t even know if my testing kit is accurate, it shows that my levels r normal

What are complete parameters including salinity? What size tank? Don't add anymore fish until you identify what is going on. Pics or video of sick fish under white light

 

[WalkerLoves_TheOcean]

So I’ll state what I noticed. I had a black clown a while back, this was the first one to die. I noticed when it was a day or 2 before it died, it looked like the black parts of its skin were almost lighter. When I looked at the body after death, it did look lighter. As for the anthias - it was weird from the first day I put it in the tank. It stayed in the corner and I honestly never saw it eating. But it lived for 2 months. The hippo tang I noticed some dark spots on its face, it seemed perfectly normal, then it died randomly. And the wrasse now has been hiding, I just fed them and it didn’t come out so Im anticipating it’s going to die. It has shown no signs at all. I have found all fish after they died. The only thing I’ve added a month ago was some old dry coral, and some bigger shells for my hermit crabs. I also have been adding vitamins that apparently help with HLLE which was what I suspected my tang to have

What are you feeding your fish?

And on regards of the hippo tang, what did you feed it?

 

[jazreef]

What are complete parameters including salinity? What size tank? Don't add anymore fish until you identify what is going on. Pics or video of sick fish under white light

My salinity is a bit high it’s 1.027
Ammonia seemed to be 0
pH was 8.2
Nitrite was 0
Nitrate 25ppm
Temp 31.4 C

I don’t have any videos of my sick fish.

 

[jazreef]

What are complete parameters including salinity? What size tank? Don't add anymore fish until you identify what is going on. Pics or video of sick fish under white light

Also, tank is 65g

 

[Gabbone]

Temp 31 degreee!?!?!

 

[Uncle99]

Temp 31 degreee!?!?!

That's 88 degrees F!
Parameters fine but that will kill.

 

[Gabbone]

Yes, 88F waaaayyyyy to high!

 

[Readywriter]

I had an overstocked 30 gal reef that did fine at those temps in the summer. But, its very risky, any higher and oxygen will be completely depleted and at those temps bacteria in the water will proliferate at a crazy rate.

 

[Gabbone]

Also, that ph at that temp at that salinity can lead to higher toxic ammonia concentration, even if a tiny amount of free ammonia is present.

 

[Gabbone]

Go here for reference —> https://www.hamzasreef.com/Contents/Calculators/FreeAmmonia.php

 

[jazreef]

What are you feeding your fish?

And on regards of the hippo tang, what did you feed it?

I would feed them frozen mysis shrimp, brine shrimp, and leave out nori for the tang