Bad thing to wake up to :( fish dead

tinman

tinman

Well-known member
Ok here is the list of events
1. Nuvo 8 gallon tank with lots of corals and 2 clowns and a royal gramma, downsized from my biocube and its been running fine for 3-4 months

2. Fed mysis shrimp and all fish and corals ate heavily on Tuesday evening.... Came home from work on Wednesday to find one of the clown and the gramma are dead

3. Checked everything ammonia and nitrate are zero with phosphates around .5 and. Calc 500 and dkh 8

Did a 40% water change

All corals are opening up fine and putting out polyps are Out and all ..

4. Woke up this morning and the last clown fish is dead :( checked ammonia and nitrates and they are still zero

My zoas (most of them as I added some more yesterday) are open to the ambient light


I am not gonna add any fish for a month or two :(

But what might have killed my fish :( are my corals gonna be ok ??

What should be my next step ??

Please keep the thread for advise only, loosing fish sucks :(
 
You have a lot more experience than me, but you say there are a lot of corals, and you just added more. Can chemical warfare between corals, kill fish? Just tryin to think outside the box, considering it's not a parameter you can test for.
 
All of them are zoas and no I don't think zoas fight with other zoas and even do they do I don't think they are that poisonous to fish :(
 
My main question here is ..


Are my corals gonna be fine ?? Any thing that kills fish and also affects corals ??
 
heavy swings in temperature? I would not add anything for a little while. Any sliming from the corals?
 
trackfast said:
heavy swings in temperature? I would not add anything for a little while. Any sliming from the corals?
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No temp swings .. Have a controller so it's constant ..

No sliming from corals either ...

I'm not gonna add any more fish for 2 months.. Right now a porcelain crab isthe only thing in there besides corals and snails
 
frostyjay1 said:
Did the fish have any sign of disease?

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Nope .. The first clown and the gramma ate fine the day before they died .. The other clown is reluctant to eat yesterday but other than that no signs .. Nothing on the body
 
frostyjay1 said:
Did the fish have any sign of disease?

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Nope .. I was watching them all the time ., I saw a couple of black spots on the clowns but thought they are from them tryin to host everything and getting stung


The second clown is little reluctant to eat .. But other than that nothing
 
Bad mysis maybe? Very odd that the corals are fine. My older pair of occys has lived through some serious parameter swings that killed corals around them and they're happy as well, clowns. Have you started on a new food lately or maybe left your frozen out too long? Sorry for your loss tin. Definitely strange without any fish disease indicators.
 
Same thing happened to me, I lost three fish in two weeks. My water test fine my corals are great. I think the fish got a internal parasite. The one day they eat the next they start to loose weight and two days later, they die.
 
Herbie said:
Bad mysis maybe? Very odd that the corals are fine. My older pair of occys has lived through some serious parameter swings that killed corals around them and they're happy as well, clowns. Have you started on a new food lately or maybe left your frozen out too long? Sorry for your loss tin. Definitely strange without any fish disease indicators.
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Bad mysis .. Thought so Nate and stopped feeding it on Wednesday

Ummm the only new food I started lately. Is azox and don't think it's anything to do with

I'm totally bummed and now all my corals are open and look happy
 
dohc97 said:
You have a skimmer? How is your water flow in this tank?
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No Jose don't have a skimmer
And water flow is mp 10, what does flow have to do with fish death

Also have to mention its a closed apartment with not much oxygen flow but that shouldn't kill fish that fast right ??
 
If you only have the mp you really might not have been getting enough surface agitation for gas exchange. Though the water moving through the chambers should do some. Maybe now that it warmed up a little you just reached the breaking point. A skimmer would probably help a lot or even an air stone in the rear chambers.
 
tin exactly what others said, in a tank that size you have to worry about gas exchange and oxygen saturation. This happened to me one time and ever since then i try to make sure i have my water well oxygenated. i lost 4 out 6 fish and couldn't figure out why until my mentor in this hobby mentioned surface agitation and skimmer. I notice my mp10 doesn't really break the surface of the water, luckily for me i have another pump and a skimmer. Whats your ph by the way?
 
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