Fish River Canyon, situated along the lower reaches of the Fish River in southern Namibia, is one of Africa’s most impressive natural wonders. At 550m deep, ...

Africa is home to many natural wonders, and one of its most incredible ones is the Fish River Canyon in southern Namibia.It stretches 100 miles and reaches depths of 500 metres, making it the ...

There were 10,000 humpbacks in canyon reaches in 1992. Now there are 2,200. Of the eight native fish species found in the canyon before the dam, four are gone.

Smallmouth bass have plagued the upper Colorado River Basin for decades, impacting numerous native fish species, but were only detected downstream of the Glen Canyon Dam in 2022.

I’m on the edge of Fish River Canyon, in southern Namibia, near the border with South Africa. This canyon, the second largest in the world after the Grand, is around 650 million years old.

The fish, known as the razorback sucker, is the first of its species to be caught in the Grand Canyon in more than 20 years. The fish is characterized by a long, high sharp-edged hump behind its head.