LAKE SUPERIOR, Mich. — Researchers on Lake Superior have "rediscovered" the shortnose cisco, a Great Lakes fish species thought to have been extinct for decades. Before the usual suspects ...

Scuba divers visited several spots at Lake Malawi in 2016 to search for cichlid fish, George Turner wrote in a study published Dec. 10 in the peer-reviewed Journal of Fish Biology.

It's a fish story with a big, unexpected plot twist. A native Great Lakes whitefish thought extinct for nearly 40 years has been rediscovered by scientists – in the wrong Great Lake.. The ...

Two snail-crushing cichlid species, Labrochromis mawe and mawepili, have been discovered in Tanzania’s Lake Victoria, thriving in rocky, illuminated habitats.

Hundreds of thousands of lifeless fish have washed up on the shores of California's Lake San Antonio in an unprecedented mass die-off affecting a wide variety of species.

Two snail-crushing cichlid species, Labrochromis mawe and mawepili, have been discovered in Tanzania’s Lake Victoria, thriving in rocky, illuminated habitats.