Goldfish acting strange - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 15 Old 03-16-2010, 02:34 PM
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Good info in this thread, I just want to expand on what "community" means to provide some insight.

To be a successful "community" aquarium, the fish selected must be compatible in more ways than just behaviour, which is the aspect most aquarists usually consider. But there is much more. Compatible means the fish all share the same or very nearly the same preferences for water parameters (pH, hardness, temperature) and environment (plants, rocks, wood, caves, sand/gravel, water movement, lighting). Some fish have very specific needs in one or more of these areas, and combining two species with differing needs will guarantee that one or both species will not be at its best due to stress from the environment or water conditions. And stress affects the fish's immune system, which means the likelihood of disease is increased, and frequently internal damage occurs that we cannot detect visually but results in shorter-than-normal lifespans even if the fish is able to still fight off other issues.

How a fish copes with its environment has a tremendous impact on its health. The fish's physiology requires that it regulates the pH of its blood to match the environment; soft water fish in hard water develop calcium deposits internally; a fish programmed by evolution to live in dark waters among plants will, if put in a brightly-lit aquarium with no plants, constantly feel vulnerable and under attack. All of these things cause stress, and in fish just as in humans, stress is a major factor in disease and longevity.


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 you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #12 of 15 Old 03-16-2010, 03:02 PM
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It's not so complicated once you learn. We just have new information available than what was known before. And we can use this information to improve the lives of the animals we are keeping. (: The old fashion methods (not sure if true fish keepers kept gold fish in bowls years ago, or if kids who did just didn't know better!) are known not to be the best.

"He situates himself in relation to time. He takes his place in it. He admits that he stands at a certain point on a curve that he acknowledges having to travel to its end. He belongs to time, and by the horror that seizes him, he recognizes his worst enemy. Tomorrow, he was longing for tomorrow, whereas everything in him ought to reject it."
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post #13 of 15 Old 04-05-2010, 11:27 AM Thread Starter
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changed out the water recently and fish seem to be back to normal.

Just had a look in the tank and the fish again in question was face down in the gravel at the bottom with tail up in a 45 degree angle and what looks like a clear small sack on an attachment coming from its nether region????????

Are we having babies?
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post #14 of 15 Old 04-05-2010, 02:18 PM
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If the clear sac is a nubbish protrusion that means your fish is female. But for a goldfish to be face down in the gravel like that is not normal at all. Not sure how often you are doing water changes but if...

a) this is the first time you changed the water in a few weeks
b) you changed out a large volume of water and/or cleaned or changed the filter.

you have probably destroyed he nitrifying bacteria, resulting in a buildup in ammonia.
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post #15 of 15 Old 04-06-2010, 05:42 AM
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Lex, there is a lot ot learn, everybody is always learning something no matter how experience they are. It just seems overwhelming at the start. Keep on asking and also check other threads, there might some topics you might have encountered and learn from it or you could tell about your experience.
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