Geographic Distribution of Species
The distribution of the Silver Redhorse (Moxostoma anisurum) is widely focused in the eastern half of the United States from Missouri all the way to Quebec Canada. Although the distribution may seem extremely vast, the majority of the species is harbored in the southeastern states. The species itself is quite abundant in most southeastern rivers including the Mississippi, Missouri, and Ohio river systems. With that being said, not all the river basins are abundant in this Redhorse species. The Silver Redhorse (Moxostoma anisurum) is actually listed as threatened in the Strawberry River basin in Arkansas. And although the reasons behind these lack of numbers is not pinpointed, it may be that the competetition between other Moxastoma species in this specific River is to blame. The distribution of the species is a direct effect on how well it thrives in a vast array of habitat. So for a species to do better in one area than it does in another is indeed why the so-called term "threatened" is place on that species in that area.
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