Fish Dying and coming to surface for air. - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 32 Old 04-29-2013, 11:14 AM Thread Starter
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Fish Dying and coming to surface for air.

I just bought a set-up tank and moved it. I used all the same water, did not do a water change, put in Stress Coat in the amount noted on the bottle the day after the move (yesterday). When I looked in the tank this morning, all four Amano shrimp, one tetra, and one Chinese algae eater are dead. The other fish are coming to the surface for air. I did a quick strip test just to check water, and it looks fine. Temp looks fine. I don't know what to do. :(
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post #2 of 32 Old 04-29-2013, 11:36 AM
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Quote:
Originally Posted by Deanna01 View Post
I just bought a set-up tank and moved it. I used all the same water, did not do a water change, put in Stress Coat in the amount noted on the bottle the day after the move (yesterday). When I looked in the tank this morning, all four Amano shrimp, one tetra, and one Chinese algae eater are dead. The other fish are coming to the surface for air.
Is there surface agitation at all? From a filter, or from an air bubbler? Any live plants?

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Originally Posted by Deanna01 View Post
I did a quick strip test just to check water, and it looks fine. Temp looks fine. I don't know what to do. :(
'looks fine' means different things to different people, do you have numbers? Need Ammonia, Nitrite, and Nitrate.

Assuming there is surface agitation, my initial guess would Ammonia/Nitrite poisoning. Are you using all the same decorations, substrate, and filter media? Was any of it cleaned? During transport were these items kept in tank water?
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post #3 of 32 Old 04-29-2013, 11:50 AM Thread Starter
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I used API Stress Coat yesterday, and I miscalculated the dose. It said to give double the dose for stress, and I gave double that doubled dose.
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post #4 of 32 Old 04-29-2013, 12:28 PM Thread Starter
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API said that could definitely be the problem. :( They recommended a 30% water change.
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post #5 of 32 Old 04-29-2013, 12:36 PM
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I'd definitely be doing a water change - and then perhaps you can answer the questions Geomancer posed.
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post #6 of 32 Old 04-29-2013, 12:37 PM Thread Starter
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The ammonia is 0, nitrites are .25, nitrates 40 before water change.
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post #7 of 32 Old 04-29-2013, 12:48 PM
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Do an immediate major water change, down to 3/4 of the tank volume. Just siphon out the water, don't do any other work to stress the fish more. Use a good water conditioner on replacement water.

Come back here with results and we can continue discussion. Just to clarify...by down to 3/4, I mean remove 3/4 of the tank water.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If youíre going to take it under your wing then youíre responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]

Last edited by Byron; 04-29-2013 at 01:07 PM.
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post #8 of 32 Old 04-29-2013, 12:50 PM
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What about surface agitation?? This is important as it alones the exchange of gases into and out of the water. Without Oxygen in the fish will gasp at the surface combined with Nitrites in the water plus to much Stress coat. I would say this is some of the problem.
I would personally do at least a 50% water change add the right amount of the conditioner and monitor the nitrites. As long as those are present I would daily water changes.
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post #9 of 32 Old 04-29-2013, 12:51 PM
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Sorry double post.

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post #10 of 32 Old 04-29-2013, 01:21 PM
It may not be the problem right now but you need to make sure the tank has surface agitation. I've had this happen recently when I swapped my 80's sponge to be hooked up to a power head. Looks like I didn't have enough surface agitation due to the angle, and well I caught it well in advance, adjusted the angle and added a small bubbler to make sure this isn't an issue again.

Also pay attention to the heat of your tank. Tanks in higher temps hold less oxygen.
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