Brazil: Tons of dead fish removed from Rio lake

So many carp have died in a lake near Toronto that local public works officials have scheduled special pickup days for dead fish.

State biologists weren't sure how a deadly fish virus would affect the fish population of Wisconsin's Lake Winnebago system.

Giant goldfish could be threatening the ecology of Lake Tahoe on the California-Nevada border.

Scientists identify it as Salvelinus namaycush. Other names include mackinaw, lake char, touladi, togue, siscowet, and paperbelly. Lots of people call it, simply, a lake trout. It's a freshwater fish found in many northern ...

Microscopic remains of dead Phantom midge larvae (Chaoborus spp.) may explain a few hundred years of history of the living conditions of fish, acidification and fish death in Swedish lakes. Researchers at the ...

Thousands took to the ice of a frozen lake in southern Estonia on Saturday in the hopes of catching the big one—a marked fish worth a 50,000 euro ($67,000) jackpot.

A new Dartmouth College study finds human-caused climate change may have little impact on many species of tropical lizards, contradicting a host of recent studies that predict their widespread extinction in a rapidly warming ...

A new way of valuing ecosystem services, incorporating the local perspective, is the driving force behind a project assessing aquatic ecosystems in highland areas of Asia

After reviewing recent research based on the study of habitat-specialist coral reef fishes, Boston University post-doctoral researcher Marian Y. L. Wong and Peter M. Buston, assistant professor of biology, have found that ...

Once introduced for biological pest control, Asian lady beetle Harmonia axyridis populations have been increasing uncontrollably in the US and Europe since the turn of the millennium. The species has been p ...

Invasive "crazy ants" are displacing fire ants in areas across the southeastern United States, according to researchers at The University of Texas at Austin. It's the latest in a history of ant invasions ...

In 2006 Berlin Zoo saw the birth of their first polar bear cub in 33 years. A retired circus polar bear gave birth to two cubs at the zoo. One of them died soon after, but Knut survived. At only a month old he became the ...