My fish are Dying

[Octoman4]

Ya carbon is probably no good any more either swap it...

[beachbum1008]

ok Ill change that tomarrow as well. the thing that really has me scratching my head is my coral are all looking normal and normally if i have something out of wack they show it first

[BetosREEF]

Yea that is pretty weird, corals always show when somthings wrong.... damn gots me scratching my head. How mny times u feed them?

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[beachbum1008]

ok I got home today and my anthias was dead but all the rest of my fish are acting normal. one thing I did notice is the fish were all breathing very fast yesterday and today its slowed quite a bit. and Beto I feed them when I get home and they feed for a few minutes. I am currently doing my water Change and am doing 45 gallons which is 15 more than I normally do. Thanks to everyone who gave me ideas on what to check . If anyone else can think of anything please let me know. one side note when I found my anthias that was dead he was mostly eaten with just his tail and head left. last night when I went to bed he was still alive.

[onyong4u]

How about this: Undetectable Ich
http://www.reefkeeping.com/issues/2003-10/sp/feature/

[cardiffkook]

how about the oxygen level? Can you increase the bubbles in the skimmer? Long shot but may help?

[cutterx23]

Ya, what is your flow like in your tank? Possibly the fish were running out of air. Any powerheads in the tank to help circulate?

[Corey760]

is the back of your canopy open so that the carbon-monoxide can escape? says that can cause your fish to die unexpectedly.

[Laddair]

Check Ammonia. Could have a spike going on.

[gcristobal]

Sorry to hear about your situation it sucks I know. It happened to me about a year ago n lost 20 fish including my Achilles tang. My fish started dying one by one util they were all gone in a period of 5 days N all my corals were doing great. To make story short, the cause was a tiny drill bit that was stuck in a rock that I had introduced into the tank few days before. I took it out n did a 30% water change n installed carbon, a week later it was back to normal. Check if any kind of metal has been introduced into your set up n do water changes

[pinoyreef]

I found my anthias that was dead he was mostly eaten with just his tail and head left. last night when I went to bed he was still alive.

When was the last time you add corals to your tank? I will tell you a little story about my coral buying. I used to order box of corals to a guy in LA. One time I did my order to him and acclimate everything in a box and I did not realized that one of the zoas colony have mantis shrimp. Killed my damsel. Its a big possibility that there is some creatures in your tank that killing your fish. Like you said something in your tank eat your wrasse. Good luck to your tank I hope everything goes well soon.

[beachbum1008]

well yesterday after more checking and moving all of my rock I found nothing unusual in the tank. the good news is all of my fish appear to be healty at the moment. I did my water change and carbon as well. I have a Iwaki pump and a powerhead in the tank so im not sure if it can be waterflow but the article on undetectable ich has me wondering.

Pinoyreef the last time I added corals was a month and a half ago and it was a zoa frag.I do use coral dip on all my new additions but I did check every rock in the tank and found nothing.

corey760 my canopy is a open top with no covers but I did remove all the stuff I had up there just in case

at this point I don't think I will be adding anything new til Im absolutely sure whatever this issue is disappears I also plan on another water change tomarrow

[jonzee2006]

Where are you getting your brine shrimp and how do you prepare them? They are known to carry parasites I've actually had a similar problem a while back when i was feeding live brine. Always a good idea to gut load, fresh water dip, then freeze live brine before feeding them. Just my 2 cents good luck happy reefing

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[tdg0910]

+1 Start doing water changes