Fish Size Library (Trout Length & Average Weight)
This fish size chart reflects the average weight of stream trout in freshwater for each given length in inches. It is meant as a guideline only.
These fish size averages relate to Brook, Brown & Rainbow trout found in freshwater in the US and Canada.
Generally speaking, for fish of the same length, a Brook Trout will be the heaviest, followed by the Brown, with Rainbow Trout averaging the lightest; but all are within a few ounces of one another.
|Trout Fish Size Chart|
|Length in inches||Average weight|
|19″||2. 75 lbs|
|26″||6.5 lbs *|
|27″||7+ lbs *|
|28″||8+ lbs *|
|* Brook Trout are generally not found in lengths over 25″|
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