Why did my $400 clownfish die?

The only thing I can think up is the blood shrimp.

The clowns used a hiding spot that the shrimps too over. And it's where I found the one this morning dead. Idk

Seems unlikely, more likely the shrimp pulled the clown over after death. Any chance of fighting? How old/what size were they, could they have been trying to establish dominance? Perhaps the pink spot? For some reason I feel like aggression was involved based on the fact that clowns tend to be hardy and that your other fish are alive.
 
On a tank that old there should be zero ammonia.

Could be long term exposure to ammonia or it spiked. It will kill the fish and the gills may or may not have been red. It can be hard on those fish to see red gills.

+1 highly agree. On an established tank there should be 0 ammonia ALWAYS(unless you overfeed or having a decaying fish somewhere). You also said a little bit of "nit" which if that's Nitrites then you have a problem, if it was Nitrates then that's fine.
 
I would think it would work just fine. I'm not 100% sure but I believe that is basically what the grounding is for most homes anyways.
 
Having ungrounded power for reeftank (not to code) is asking for trouble. With that much electricity power, salt waster, salt creap, heat and moisture isreally bad.
I would highly recommend that you bring your electricity up to code. There are certaily more than on house burned down by reeftank.
 
Would a iron rod installed a few feet in the ground work as a grounding spot for a wire through a window to the tank ?


If possible, tie 16awg copper to a ground strap - and strap that sucker to a cold water pipe- must be copper and preferably closest to the water pipe entering your home.
 
My LFS sells a few designer clowns. They're reasonably hardy. However recently that got an ORA Snowflake in and it died with inflamed red gills in 3 days.

The fish was in a system that has a dozens of healthy fish, no ammonia I'm sure. Other designer clowns in the same system and from the same shipment are doing just fine.

Genetic weakness ?

An effective ground would have to be a 6-7 foot copper rod driven all the way into the earth. A steal rod wouldn't do diddly. I've driven a new ground into the earth, it's no fun.

The shrimp would have died long before the fish if there was a stray voltage issue in your tank. Being an exoskeleton creature it's much more susceptible.
 
If possible, tie 16awg copper to a ground strap - and strap that sucker to a cold water pipe- must be copper and preferably closest to the water pipe entering your home.

That may dissipate any stray voltage but won't be a true earth ground. Doing so has the potential to do just the oposite and add to the problem by creating a larger conductive path and/or picking up any other stray voltage sources that are touching the water pipes. Bad idea.
 
Genetic weakness ?

You bring up an interesting point. Since these clownfish are selected to produce a specific phenotype (that is not naturally occurring), the end result after inbred selection may be a weakened genotype. No way to test that hypothesis, however.
 
You bring up an interesting point. Since these clownfish are selected to produce a specific phenotype (that is not naturally occurring), the end result after inbred selection may be a weakened genotype. No way to test that hypothesis, however.

I be on my own here but IMO that's starting to become a problem with some bigger breeders these days, they are more about the money than culling the bad clowns. I have seen a lot of tank bred clowns lately from different major breeders that should never have left the facility. I'm not sure if it is because the staff hasn't been properly trained on which clowns to cull or not but there should be better QC, there is no reason for so many deformed clowns to be released.
 
I be on my own here but IMO that's starting to become a problem with some bigger breeders these days, they are more about the money than culling the bad clowns. I have seen a lot of tank bred clowns lately from different major breeders that should never have left the facility. I'm not sure if it is because the staff hasn't been properly trained on which clowns to cull or not but there should be better QC, there is no reason for so many deformed clowns to be released.

Well, my other fish hobby is collecting koi. One of the most important issues that koi breeders face is appropriate culling. For koi, there is more than one culling since they do not reach color maturity early on. I doubt that most saltwater breeders cull their offspring.
 
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