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Sunfish Research Paper

336 Words2 Pages

If you take sunfish out of their natural habit/original tank and change its diet than the fish will become stress leading it to not to grow/eat. The sunfish is a small fish that will reach the length oh 6 inches. It has smooth scales and a round caudal. Food studies show that sunfish feed primarily on insects and crusteaceans. The fish range from two to eight years old. It favors acid waters associated with cedar swamps and Pine Barrens areas, and it is also found in standing water with a heavy growth of aquatic plants. A sudden change in environment is extremely stressful for a fish’s health. Stress is any condition that causes physical or mental discomfort that results in the release of stress-related hormones or results in specific physiological responses. Stress can be physical, psychological, or environmental. Stress can either be short and sudden, or long and chronic. Mild, short-term stress has few serious health effects, but long-term stress or severe, short-term stress …show more content…

Many fish can live on minimal nutrition with old or stale flake foods, but this poor nutrition is a chronic stress. A variety of well-preserved dry foods as well as freeze-dried, fresh, and frozen foods specifically designed for individual species are necessary to prevent chronic nutritional stress. The size, metabolic rate, temperature of the fish’s environment is extremely important to the amount of food a fish eats .
Smaller fishes generally have a higher metabolic rate than large fishes so that means the small fishes generally eat proportionately more. Some researchers have calculated food intake for some species. In one study, bluegill ate between 1% and 35% of their body weight in food per week, depending on water

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For many it’s a first pet, a gift from family, something you won as a prize at a carnival, but for Canadian residents the familiar orange goldfish everyone knows and loves is becoming a serious problem. Some flush them in a hurry because they no longer want to take care of them, others commit them to a porcelain vortex because they believe their beloved fish has passed, and the Canadian Government is issuing a warning now to citizens of Canada to stop flushing their fish. Just a few goldfish with the potential to disrupt an entire ecosystem Goldfish are entering the ecosystem the way that a lot of invasive species end up in an environment they don’t belong, Humans are putting them there. Human interference is one of the leading causes of the beginning of over population of invading alien species. In this case many of the fish are going down drains, and ending up in Canada’s lakes and rivers.

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