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Re: [Killietalk] Sudden death or resurrection?
I agree that this fish might just have been the low man on the totem pole
and was stressed and starved as much as it could take. Bifax are not
assertive fish anyway, and accustomed to high oxygen levels besides. Salt
and air are the universal medication. Like chicken soup. Bob G.
----- Original Message -----
From: "Joseph Scanlan" <drkillinut at mac_com>
To: "killifish discussion list" <killietalk at aka_org>
Sent: Monday, July 16, 2007 12:35 PM
Subject: Re: [Killietalk] Sudden death or resurrection?
> Thanks Bob. This particular fish was a young F. bifax who had been
> in the tank with his fellow species for at least a month and since he
> was not the smallest but certainly not the largest, I am wondering if
> he was semi-starved and had just given up? Don't guess I will ever
> understand what happened, but I put him in a bowl and threw in some
> rock salt, put in an air line and walked away thinking I would find
> him dead in a few hours. When I returned he was fine and trying to
> jump out of the bowl. Bifax are not fighters except when it comes
> of food, and I wonder if he had one too many pieces of redworm jerked
> out of his mouth. Intimadation can be a powerful thing. Joe
> On Jul 16, 2007, at 10:17 AM, Robert Goldstein wrote:
>
>> I'm familiar with sudden death-shock from talking with discus and
>> angelfish
>> importers in Miami and from my own experience with juvenile marine
>> clownfish
>> and from collecting swamp fish in N.C. . Physically, the fish
>> spread their
>> gills and mouths, locking them open, and apparently die from
>> asphyxiation
>> since they cannot ventilate the gills. It is often associated with
>> sudden
>> bright light ater being in the dark. I've seen somethng similar
>> when naive
>> fish are chased and cornered, or when fish are put directly from
>> hard into
>> soft water, or from well-aerated soft water into stagnant soft
>> water. The
>> water quality observations could have been due to light changes
>> (dark to
>> bright), but I can't be sure. Shocked fish look light they're in
>> tetanus and
>> seldom survive, but I've had the occasional one make it. The best
>> way to
>> avoid this is to slowly expose packaged fish to dim light for a day
>> or two
>> before going to normal lighting.
>>
>> ----- Original Message -----
>> From: "Joseph Scanlan" <drkillinut at mac_com>
>> To: "killifish discussion list" <killietalk at aka_org>
>> Sent: Monday, July 16, 2007 11:00 AM
>> Subject: Re: [Killietalk] Sudden death or resurrection?
>>
>>
>>> Thanks all for all this information about sudden death[shock]. I
>>> need to give you more information and let's see where this leads. I
>>> have well water [no chlorine]. The first case could have been
>>> nitrite toxicity as I will admit to poor water changes. The last
>>> case occurred in a normal populated tank that has almost daily water
>>> changes so I don't think it could have been a build up of ammonia and
>>> certainly no chlorine. The fish looked healthy and had no sign of
>>> abuse, so for me this was a real mystery and prompted the query. Any
>>> more thoughts? Joe
>>> On Jul 15, 2007, at 4:14 PM, lee Van Hyfte wrote:
>>>
>>>> Hi Joe,
>>>>
>>>> I'd be leaning towards electrolyte shock. if you are using mains
>>>> water you
>>>> often see shifts in the actual source of the water which would
>>>> appear to be
>>>> the same. Often the water dept. will have to shift from river
>>>> water to
>>>> well water. I have seen fluctuations in Local mains from over 550
>>>> ppm to
>>>> 120ppm. This can be rather dangerous to many fish.
>>>>
>>>> Calcium Potassium Magnesium and Sodium imbalances and sudden shifts
>>>> can
>>>> induce seizure activity. I found this most often in Juvenile and
>>>> older
>>>> adult specimens. The Salt bath would induce a sudden shift in
>>>> the ionic
>>>> balances.
>>>>
>>>> If however it is nitrate toxicity. A 1.5 dose of Methylene Blue
>>>> bath for
>>>> 24-48 will assist in removing the nitrate ions which have bound
>>>> to the
>>>> Hemoglobin molecules. Basically stripping the N03 off and
>>>> allowing the
>>>> hemoglobin to again carry oxygen.
>>>>
>>>> If ammonia Increasing oxygenation will be critical as the gills are
>>>> badly
>>>> burned. Try Hydrogen peroxide 3% at 3 drops per gallon per 12
>>>> hours. Mix
>>>> it into a glass of water prior to adding to the tank.
>>>>
>>>> The hydrogen peroxide can be used in Nitrate poisoning to assure
>>>> that the
>>>> hemoglobin is saturated with as much oxygen as possible.
>>>>
>>>> God Bless, lee <><
>>>>
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>>
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>
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