For trout to survive, they have to live in certain water temperatures. The typical survival range is from 35 to 75 degrees Fahrenheit. Now keep in mind that there will be some variation depending on the species and location where you are fishing, but this is a good general guideline.
- When survival temperatures are at the lower end of the range, the metabolism of the trout is also low. Since the oxygen level is so high, the trout goes into a trance-like state where they are less likely to become excited. During this time, they move very little and are not interested in feeding.
- When the survival water temperatures are on the upper end of the scale, the metabolism is high. This actually makes the trout very uncomfortable since the level of oxygen is almost depleted. It would be as though you were running for a long distance and having a difficult time catching your breath. When the temperatures reach the higher levels, the trout is not focused on anything but surviving.
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