Endangered species listing for Rio Grande Shiner

A three-inch fish dwelling in the Pecos River in southeast New Mexico could see federal protections as the U.S. Fish and Wildlife Service agreed to investigate whether it should be listed as endangered.

The Rio Grande shiner was once known to live in drainage waters of the Rio Grande in New Mexico, Texas and Mexico, including headwaters in northern New Mexico down to the Rio Grande delta on the Texas coast.

In Mexico, it was believed to exist In the Rio San Juan, Rio Salado and Rio Conchos – all tributaries of the Rio Grande, known as the Rio Bravo del Norte in Mexico and flowing across the U.S.’ southern border.

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