One of Alaska’s most abundant freshwater fish species is altering its breeding patterns in response to climate change, which could impact the ecology of northern lakes that already acutely feel the ...

MARYLAND -- Maryland's effort to fight back against the spreading, invasive northern snakehead fish, now known as the Chesapeake Channa, could be facing a new challenge in the fish's breeding patterns ...

Colonial breeding is an evolutionary puzzle, as the benefits of breeding in high densities are still not fully explained. Although the dynamics of existing colonies are increasingly understood, few ...

Courtesy of Oregon State University Researchers at Oregon State University say new discoveries about how some Chinook salmon breed could help guide conservation efforts. When salmon from a hatchery ...

A new study estimates about 60 million icefish nests are grouped together in the Antarctic Weddell Sea. The colony covers some 92 square miles. Researchers have deployed camera systems to monitor the ...

Walk into any pet or aquarium store, and you’re going to find clownfish. That orange-and-white-striped Nemo is practically synonymous with saltwater aquariums, and it’s one of the first fish new ...

On the outdoor lot of his beachside facility, flecked with dozens of plastic bins and tanks, biologist Syd Kraul has raised several fish species from eggs to fingerlings, including tuna, snapper, and ...