Dead fish?

Psherman42

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Hi, unfortunately after my last post my Royal gramma has now been missing for a week. Can't see him anywhere. I think he may have died in the rocks but its impossible to get him out (I cant find him) ive been testing every day and not had a single ammonia or nitrite spike. Assuming hes dead there should be a spike correct?

Also, my water is very foggy, bacterial bloom from dead fish? The cuc cant reach him if hes deep in the rock so surly he would decompose and crash my tank? 120L, there are loads of copepods in the tank that breed naturally. The nassarius snails where intrested in his cave, but where too big to fit in. Any ideas? My clowns and inverts are doing just fine. The cloudyness is driving me mad tho, and the missing fish.

Ps impossible for him to jump out, theres a tight fitting lid.

TIA



20260918_161619.jpg
 
I'm sorry to hear that your Royal Gramma is missing. While they are good at hiding, I think after a week of not seeing this fish he may well have found his demises.

But, if so I don't think you're in danger of a tank crash. Even if the CUC can't get to him, a Gramma isn't a huge fish, and I don't think you'll see much of an ammonia spike.

Keep in mind that ammonia at about 0.50 ppm or lower isn't much of a concern at all. If your ammonia was climbing over about 1.00 ppm, then I do some water changes to bring the ammonia down.

The cloudy water could certainly be bacteria, was it like that before the gramma went missing? It's possible the dead Gramma added organics to the water that fed the bacteria, but I think they are likely feeding on organics already present.

Running an air stone may be a good idea for extra oxygen (or by using an extra circ pump aimed up at the surface) because a rapidly growing colony of bacteria can use up the oxygen quickly.

Good luck to you and your Gramma! You never know, he could pop back out today, it does happen 🙂
 
The ability of a tank to hide a body after a violent fight with a gang of clownfish is remarkable. I don’t think you should try and add any additional fish into this situation.
 
Hi, unfortunately after my last post my Royal gramma has now been missing for a week. Can't see him anywhere. I think he may have died in the rocks but its impossible to get him out (I cant find him) ive been testing every day and not had a single ammonia or nitrite spike. Assuming hes dead there should be a spike correct?

Also, my water is very foggy, bacterial bloom from dead fish? The cuc cant reach him if hes deep in the rock so surly he would decompose and crash my tank? 120L, there are loads of copepods in the tank that breed naturally. The nassarius snails where intrested in his cave, but where too big to fit in. Any ideas? My clowns and inverts are doing just fine. The cloudyness is driving me mad tho, and the missing fish.

Ps impossible for him to jump out, theres a tight fitting lid.

TIA



20260918_161619.jpg
They are rock dwellers and great hiders.
Mine disappeared and reappeared after two weeks.
Do nothing, but watch ammonia and do a water change if it appears.
 
I think a dead small fish crashing a tank is an exaggeration that has been repeated online but doesn't happen in real life. Ive had more fish die and disappear than i care to think about but the deaths have never been a problem for the tanks.
Can't help with the cloudy water. I've never experienced a bacterial bloom myself.
 

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