blue lake

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[cool][#0000ff]I understand that there are more and more of the small tilapia turning up in the bluegill pond. They are very competitive and have been known to take over lakes that were formerly populated by other species.[/#0000ff]
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[#0000ff]The coloration sounds about right. There are several species of tilapia, and some of them are popular aquarium fish. Most folks suspect that the Blue Lake fish were transplants from someone who wanted to see his or her pets in a bigger "tank". [/#0000ff]
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[#0000ff]Sometimes color is not always the easiest way to describe fish. Water chemistry, diet, different color phases through different growth periods can all affect colors. Then, there are the spawning colors. Most species color up a bit when they get frisky.[/#0000ff]
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[#0000ff]I am fairly certain that the Blue Lake tilapia are "Nile tilapia", which are also one of the most widely raised tilapia in fish farms. They do get darker in fresh water than the brackish water of Blue Lakes, and bigger ones will also be darker. Add to that the fish often turn darker after they die. Only a fisheries biologist can tell us for sure.[/#0000ff]
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