How does the landlocked Kootenai River White Sturgeon population compare in size to others?
Answer
Notably smaller than their anadromous counterparts
Size potential for the White Sturgeon is dependent on geography and life history. The landlocked population that resides in Montana’s Kootenai River, specifically downstream of Kootenai Falls, is recognized as being notably smaller than the anadromous populations found in other parts of their range. While the species generally has massive potential, adults in this restricted Kootenai system typically do not exceed 200 pounds, although documented fish there have reached lengths of 6 feet. This size difference highlights how environmental constraints within isolated river systems can influence the growth and maximum dimensions achieved by a species.
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