Oscar sick? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources

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post #11 of 25 Old 06-15-2007, 10:06 PM
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well thats why I asked about the bouyancy. If there was a swim bladder disorder that is often due to bacterial infections. If you think he may be constipated somewhat then possibly try epsom salts and/or pea hearts (thaw out some peas, take off the outer layers and then chop up the meaty inside and give it as food). Both of these things will not harm the fish even if it is not consipation. In fact, I regularly feed chopped peas to a lot of the fish in our store, including oscars. Overall though, I still think that it is just a matter of the tank size. You basically have 4 south american cichlids in there and they need enough space to declare territories. The oscar alone will eventually need a 40-50 gallon tank...so make you next tank a big one. Good luck though and I hope things work out.

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post #12 of 25 Old 06-15-2007, 10:08 PM Thread Starter
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Thanks for the help!
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post #13 of 25 Old 06-15-2007, 10:57 PM Thread Starter
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Okay, while you may be correct about the size of the tank etc. being part of the problem, I have just gotten the little guy to move some, and there appears to be some white stringy material trailing from his anus. It looks like some type of discolored poo, but I'm not sure. It seems as though this might be an internal parasite or constipation problem as I had expected... SUGGESTIONS?!
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post #14 of 25 Old 06-16-2007, 07:22 AM
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ahhh now we could be on to something. It sounds a lot like Hexamita, which involves protozoans in the lower digestive tract...actually common to oscars. It sounds purely internal but take a look at the oscars head region and along its lateral line. These protozoans have been associated with Head and Lateral Line Disease (also known as Hold in the Head disease, common with oscars). Hexamita can take internal and external forms and are usually treated sepperately.
Internal Hexamita usually shows signs of lethargy, lack of appetite and white stringy feces...sounds like a match? Most common treatment for this is Metronidazole, mixed in the oscars food and put in the water. I would look up Hexamite online and see if it sounds like a possible fit.

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post #15 of 25 Old 06-16-2007, 11:32 AM Thread Starter
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You might be right. He still has the white feces attached to him. I'm out of Metronidazole, but I already have some Parinox, which also treats Hexamita, on the way.
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post #16 of 25 Old 06-16-2007, 12:53 PM
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good deal I hope everything works out for you...let us know!

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post #17 of 25 Old 06-16-2007, 01:51 PM Thread Starter
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Thanks a lot for the help. He appears to be somewhat stable now. The white fecal matter is gone, and he's a little more active, though he still is not eating.
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post #18 of 25 Old 06-16-2007, 01:58 PM
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well you just treated him a few hours ago...give it time Thats good that you notice improvement today though. Once he does start eating again, try my trick with the chopped peas. It actually helps bring out the color in oscars too but I dont know the science behind that aspect. Oscars often suffer from malnutrition so make sure he is getting a good stable diet of pellets, frozen and vegetation. They even love small cickets too as insects are part of their natural diet. Avoid live feeder fish for as long as possible.

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post #19 of 25 Old 06-17-2007, 02:26 PM
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Just puttin' my two cents in. I won't bag on you about the size tank you have him in....though....well....you've alrady heard that.
Two thoughts......you mentioned that you do about 20% w/c once a week. Oscars are fairly dirty fish that rely on really clean water. I would A. upgrade filtration
B. Do larger water changes or more frequent water changes

As for diet, it's my understanding that they are an omnivorous species and require a good deal of vegetable matter in their diet. Some protien is ok, but veggies are a must. The only foods you mentioned were meat based.
You have apparently found out what his current illness is and I hope he improves. :D
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post #20 of 25 Old 06-17-2007, 04:31 PM
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personally I wouldnt up the ammount of water you change at a time, especially in a small tank. Large fluctuations in water quality can actually harm a fish. Like if you had water that was pretty bad and you did a 75% water change on it, you can actually harm the fish that way even though the tank is cleaner...especially if pH fluctuates a lot. I would do what gem also suggested...small water changes but more often. When you do upgrade tanks, go overboard on the filtration as well. JUst keep an eye on your water parameters though and that will tell you how often you need to clean the tank.

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