Here’s a breakdown of the three main types of moving trout water. Freestone Stream Montana’s Yellowstone River is an iconic freestone stream. Montana FWP. Pros: Widely accessible to many anglers. Cons ...

Since the Clean Water Act, biodiversity in the Chicago River has increased, and there are now over 60 species of fish, including mimic shiner and brook silverside.

A new fish species with a mark that resembles "The Eye of Sauron" from "The Lord of the Rings" has been named by researchers in the Amazon after a genetic analysis.

Swai fish can contain high levels of antibiotics and chemicals, while other types of fish may provide better nutrients. Swai farming practices also raise environmental concerns. Swai fish ...

Native fish in troubled waters. The green lineage cutthroat trout, a subspecies of Colorado River cutthroat trout, is native to the Bobtail, McQueary and Steelman creeks in Grand County, about 15 ...