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The Rio Grande silvery minnow or Rio Grande minnow (Hybognathus amarus) is a small herbivorous North American fish. It is one of the seven North American members of the genus Hybognathus, in the cyprinid family. The Rio Grande silvery minnow is one of the most endangered fish in North America, according to the U. S. Fish and Wildlife Service ...
Bureau of Reclamation, called Rio Grande Silvery Minnow v. Keys [a] in its earlier phases, was a case launched in 1999 by a group of environmentalists against the United States Bureau of Reclamation and the United States Army Corps of Engineers alleging violations of the Endangered Species Act and the National Environmental Policy Act.
Aug. 14—South of Rio Bravo, through a gate, across a metal bridge over a ditch full of running water and up a soft dirt route in the bosque, a stream of visitors found the fifth-largest ...
89,652 acres (36,281 ha) v. t. e. The Middle Rio Grande Project manages water in the Albuquerque Basin of New Mexico, United States. It includes major upgrades and extensions to the irrigation facilities built by the Middle Rio Grande Conservancy District and modifications to the channel of the Rio Grande to control sedimentation and flooding.
The Rio Grande silvery minnow was listed as endangered in 1994 as its numbers dwindled to only 7 percent of its historic range. Skip to main content. Need help? Call us! 800-290-4726 ...
The Middle Rio Grande Conservancy District (MRGCD) was formed in 1925 to manage the irrigation systems and control floods in the Albuquerque Basin.It is responsible for the stretch of river from the Cochiti Dam in Sandoval County in the north, through Bernalillo County, Valencia County and Socorro County to the Elephant Butte Reservoir in the south.
Upstream from the dam the river has silted, but islands have formed downstream, with the river cutting relatively deep and narrow channels with faster-moving water. This has caused a problem for fish such as the Rio Grande silvery minnow. [7] This fish used to be one of the most common fish in the river.
Algoma Girard, 1856. Tirodon Hay, 1882. Hybognathus is a genus of ray-finned fish in the family Cyprinidae. Its members are collectively known as the silvery minnows. Hybognathus are pelagophils that are native to North America. The populations of such pelagophils, including species of Hybognathus, continue to decrease in their natural habitats.