Pearls and Irritations

Environment: Small-bodied and short-lived, tiny freshwater fish play big roles in ecosystems

A threatened Aussie tiddler flashes a fin for tiny freshwater fish worldwide, toxic PFAS chemicals are all around us and deep ...
WTOL

Study: freshwater fish across the US are contaminated with forever chemicals

MAUMEE, Ohio — Thousands of fishermen from across the United States make their way to northwest Ohio annually for the Walleye Run, but a new study suggests they might want to think twice before frying ...
Alaska Dispatch News

Invasive freshwater fish able to swim through Alaska’s Cook Inlet, study proves

In the fall of 2018, officials with the Alaska Department of Fish and Game and their partners celebrated what they thought was a milestone: an end to the infestation of invasive northern pike in the ...
Beyond Pesticides

Study Finds Aquatic Ecosystem Collapse with Neonicotinoid Exposure, Threatening Biodiversity

(Beyond Pesticides, May 6, 2025) A study in Ecology Letters finds “severe degradation of ecosystem functioning in the form of loss of organic matter consumption and dramatic shifts in primary ...
JSTOR Daily

The Fresh-water Invertebrate Fauna: Problems and

Synopsis. The volume of salt waters of the world is more than 10,000 times the highly fragmented volume of inhabitable fresh waters, yet the latter has come to support a rich and euryokous fauna. In ...