The Mekong River Irrawaddy dolphins have been listed since 2004 as critically endangered on the International Union for Conservation of Nature's Red List of Threatened Species. In 2024 ...

Scientists and fishermen in Brazil caught an “armored” river creature known to sting and discovered a new species, a study said. Photo from Willian Massaharu Ohara via Tencatt, Ohara, Carvalho, and ...

One of the study’s authors named the two new species, Etheostoma kimberlae and Etheostoma michellae, after his daughter, ...

Last year's fishing season in Ohio had some hidden gems for certain species. With the 2025 fishing season well underway, the Ohio Division of Wildlife has rounded up data from last year and ...

Kalama River — Four bank rods had no catch. Lacamas Lake — 3,084 rainbow, 2.20 fish per pound from Vancouver Hatchery. Horseshoe Lake — 3,000 rainbow, 2.50 fish per pound from Mossyrock ...

Forty-six crayfish collected in the Ocoee River Gorge in southern Tennessee are part of a new species, researchers said in a study. Photo from senior author Roger F. Thoma A researcher was wading ...

Knee-deep in a river of northern Thailand, scientists scooped up some sand with a net and sifted through it. Hidden between ...

They can be further divided into coldwater, coolwater, and warmwater fish. Over 33,000 fish species exist in the world, around half of which live in freshwater. However, more species are being ...

Brazil’s shipping channel plans in Amazonian rivers will worsen climate change, experts warn ...