bt_bb_section_bottom_section_coverage_image

Affiliate Disclosure: National Park Magazine participates in affiliate programs, meaning we may earn a commission when you purchase through our links—at no extra cost to you.

Channelization Project to Help Protect Native Fish in Grand Canyon Completed

June 5, 2025by Ranger Tom0
The Bureau of Reclamation and the National Park Service have successfully finished modifications to a 12-mile slough in the Colorado River, located near Glen Canyon Dam. This project has been undertaken to protect native fish species in the Grand Canyon by eliminating a crucial breeding ground for invasive smallmouth bass.

Shop National Park Gear Here

The smallmouth bass is an invasive species that has been identified as a growing threat to the local fish populations in the Grand Canyon. Their proliferation has been detrimental to native species, causing a significant imbalance in the ecosystem. The channelization project is a strategic intervention aimed at curbing the spread of the smallmouth bass.

By modifying the 12-mile slough, a key spawning site for the smallmouth bass has been removed. This is expected to disrupt the reproductive cycle of the invasive species and help to restore the balance in the river’s ecosystem. The project is a significant step in the ongoing efforts to protect and preserve the native fish species in the Grand Canyon.

Leave a Reply

JOIN OUR

Newsletter

Get News, Guides, & Tips About Your Favorite National Parks!

Name