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Habitat Trouble for Shoal Bass in Southeast Atlantic States

from the National Fish Habitat Partnership's 2015 Through a Fish's Eye Report


The Shoal Bass (Micropterus cataractae) is one of a number of unique, lesser-known native bass species that have very restricted distributions. Juveniles and adults of this species require riffle and pool habitat with clean gravel substrate for spawning. Although the exact mechanism of population declines for this species has not been proven, the Apalachicola-Chattahoochee-Flint basin where Shoal Bass occur is the second-most impounded basin east of the Mississippi River, with more than 1,400 impoundments. The dams have fragmented and destroyed habitats through inundation, altered water flows, changed temperature regimes, and allowed the establishment of similar competing non-native basses, such as the Spotted Bass.


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The U.S Geological Survey (USGS) is partnering with the National Fish Habitat Partnership (NFHP) to produce the 2015 report entitled, "Through a Fish's Eye: The Status of Fish Habitats in the United States 2015". The information contained within this item is a product of NFHP. The Bureau is neither responsible nor liable for the accuracy or the use of the scientific content within this item. This content is considered preliminary pending subsequent review and approval.


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