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Posted by swarvegorilla on February 25, 2007, 7:20 am
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> My 7 year old, 15.5 inch oscar "Jake" has become swollen just in back
> of the pectoral fins. "He" has been off of his food, but in the past
> he has gone through these little bouts, of I'm going to worry you to
> death and not eat. He has always given it up and started eating. I
> had put new peat in my filter about 6 weeks ago and I've suffered an
> outbreak - of snails....The refusing to eat started after the snail
> population started to get rather large. The tank is 75 gallon and the
> parameters are the same as they have always been. My pH has always
> been a little on the alkaline side - about 8.5 I have no nitrogen or
> ammonia. The tank temp is maintained at around 71 degrees and Jake
> has thrived in this environment. I am just completeing a course of
> Marasyn two. The swelling is still there. He won't let me touch him
> to feel if they are hard or soft. If anyone has any suggestions
> please offer them. He is in a 75 gallon tank. I have some live
> plants in it which he uses to hide from me from time to time, but
> otherwise doesn't bother them.
>
Your snail explosion is a good sign there is left over food.
Oscars are chew and spew fish so thats not unusual.
I am not familiar with Marasyn, however you may be on the right track if
it's an antibiotic.
I have some bad news however
not eating and belly swelling are both signs of an advanced internal
bacterial infection.
In the past I have had success adding metrodonazole flagyl to the fishes
food
however by the time it reaches the non-eating stage that is useless
I really don't want to be doom and gloom on ya mate
have lost a few fish this way meself, some were as yours is, quite old and
treasured companions.
A lot of the time I have have nodules in the fishes flesh during necropsy
this has led me to believe it was an advanced stage of fish tb.
I wish you the best of luck, and hope that it is just your fish having a
sook
which as an oscar owner you would know is nothing strange.
The best advice I can give is to setup a tank of feeder fish.
feed your feeders the best spirulina flake ya can get
and then while their guts are full try feed them on to the oscar
it ain't cheap and it ain't a med per say
I only say it as I really have nothing else to offer.
Maybe the fish is just egg bound, or constipated or has a slight swim
bladder problem.
But these daze
so many fish in the trade carry the mykobacterium marina (fish tb) bug that
its usually a safe bet.
Can take years and years to become life threatening to a healthy fish
and some live as carriers the whole time
anyway good luck
do some reasearch, don't take me word as gospel
and DON'T PLAY WITH THE TANK IF YOU HAVE OPEN WOUNDS ON YOUR HANDS!!!
serious this bastard can jump to humans
give you your own angry purple nodule to play with :)
If ya wanted a scapegoat.... perhaps the new peat dropped the pH nice and
quick and stressed ya fish
would almost be a first but yea
I like a scapegoat I does
helps me go on
Swarvegorilla
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> of the pectoral fins. "He" has been off of his food, but in the past
> he has gone through these little bouts, of I'm going to worry you to
> death and not eat. He has always given it up and started eating. I
> had put new peat in my filter about 6 weeks ago and I've suffered an
> outbreak - of snails....The refusing to eat started after the snail
> population started to get rather large. The tank is 75 gallon and the
> parameters are the same as they have always been. My pH has always
> been a little on the alkaline side - about 8.5 I have no nitrogen or
> ammonia. The tank temp is maintained at around 71 degrees and Jake
> has thrived in this environment. I am just completeing a course of
> Marasyn two. The swelling is still there. He won't let me touch him
> to feel if they are hard or soft. If anyone has any suggestions
> please offer them. He is in a 75 gallon tank. I have some live
> plants in it which he uses to hide from me from time to time, but
> otherwise doesn't bother them.
>