Why are my fish dying in my pond?

Answer

According to the Virginia Department of Game and Inland Fisheries, pond fish may die for a number of reasons, including low levels of dissolved oxygen, pollutants, disease, temperature extremes or natural causes. The department explains that when fish in a pond begin to die or languish, it is imperative for pond managers to review these common factors to ensure that they are within recommended parameters. Often, the conditions causing the problem can be corrected.

According to the Warnell School of Forestry Resources, a division of the University of Georgia, Athens, oxygen depletion is a result of demand outstripping the pond’s supply. While the micro organisms and fish in the pond consume oxygen, the only organisms that produce oxygen are the plants. Additionally, the movement of air over the water can increase the amount of dissolved oxygen in the pond. Frequently, according to the Warnell School of Forestry Resources, fish kills occur during the summer, when pond managers overstock the pond or treat it with weed-killing chemicals -- both of which may reduce the available oxygen.

Outdoor Alabama cautions pond managers to be observant for the signs of low dissolved oxygen in ponds, such as fish swimming near the surface or gulping air. Usually, the largest fish die first.

Q&A Related to "Why are my fish dying in my pond?"
Water quality and the oxygen level in the water are the two most important factors for healthy pond fish. Water with low oxygen levels or high ammonia, nitrite or nitrate levels creates
http://www.ehow.com/about_6613267_pond-fish-dying_...
I agree with Punkin Eater that there's a lot more info needed here to be able to give you an answer that might even be related to why the fish are dying. What kind of fish? How deep
http://answers.yahoo.com/question/index?qid=201310...
A fish tank will become cloudy because fish are like humans in that they constantly shed cells and create new ones. The excess cells along with the bacteria that is naturally present
http://www.ask.com/web-answers/Science/Nature/why_...
Poor oxygenation, bad water quality, illness, old age, predators, extreme temperatures, or any other thing that would cause death.
http://wiki.answers.com/Q/Why_do_fish_die_in_ponds
1 Additional Answer
Ask.com Answer for: why are my fish dying in my pond
Why Are My Pond Fish Dying?
Fish are a welcome addition to many pond owners, providing hours of entertainment. However, the sudden death of pond fish may indicate a problem with the pond that must be remedied quickly to ensure the safety of the remaining fish.... More »
Difficulty: Easy
Source: www.ehow.com
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