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Red shiner are habitat generalists in that they are adapted to favor a wide range of environmental conditions that are not ideal to most other fish species. These include habitats degraded by human disturbance, and those with poor water quality (such as polluted waterways), natural physiochemical extremes, and seasonally intermittent flows.
The Western Allegheny Plateau ecoregion is located on the western Allegheny Plateau, which is within the central region of the Appalachian Plateau. [3] [4]The World Wildlife Fund defines the ecoregion as being the northern part of the Appalachian mixed mesophytic forests.
Cyprinella is a genus of fish in the family Cyprinidae, the carps and minnows.They are known as the satinfin shiners. [1] They are native to North America, and some are among the most common freshwater fish species on the eastern side of the continent. [2]
Map of the United States with Pennsylvania highlighted. There are 56 municipalities classified as cities in the U.S. state of Pennsylvania. [1] Each city is further classified based on population, with Philadelphia being of the first class, Pittsburgh of the second class, Scranton of the second class A, and the remaining 53 cities being of the third class.
The average adult redfin shiner is 3.5 inches (8.9 cm) long. The redfin shiner is easily identifiable with its deeply compressed body, large eyes and attractive colors. Its body is a light olive color with a dusky stripe along the spine of the fish. The sides often appear very silvery with a reddish tint in the breeding males.
Despite a massive recovery effort, its numbers are in decline. Hampered by a loss of about 80% of its habitat, the young of this once abundant fish is overwhelmed in its nursery habitat by invasive small fishes – such as red shiner and fathead minnow – whose numbers are as high as 90% of the standing stocks.
The redside shiner (Richardsonius balteatus) is a species of cyprinid fish found in the Western United States and British Columbia. [2] This species was first described by Sir John Richardson, a Scottish naturalist and naval surgeon. The type locality is from the Columbia River, and it is believed to have been sampled near Fort Vancouver. [3]
The Red River shiner (Notropis bairdi) is a species of ray-finned fish in the genus Notropis. It is endemic to the United States , where it is found in the Red River in Arkansas , Oklahoma , and Texas .