fish

Hormone-Mimicking Chemicals Harm Fish Now—and Their Unexposed Offspring Later

Hormone-Mimicking Chemicals Harm Fish Now—and Their Unexposed Offspring Later

By Brian Bienkowski Fish exposed to endocrine-disrupting compounds pass on health problems to future generations, including deformities, reduced survival, and reproductive problems, according to a new study. The study, published in Environmental Science and Technology, is the first of its kind in a fish that can live in freshwater, brackish water or salt water, and […]

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    Washington Dam Is Being Removed After Decades-Long Battle

    Washington Dam Is Being Removed After Decades-Long Battle

    By Tara Lohan The conclusion to decades of work to remove a dam on the Middle Fork Nooksack River east of Bellingham, Washington began with a bang yesterday as crews breached the dam with a carefully planned detonation. This explosive denouement is also a beginning. Over the next couple of weeks, crews will fully remove […]

    Sydney’s Endangered Seahorses Find Protection in Underwater Hotels

    Sydney’s Endangered Seahorses Find Protection in Underwater Hotels

    By Manuela Callari It can grow to a maximum of six inches (16 centimeters), change color depending on mood and habitat, and, like all seahorses, the White’s seahorse male gestates its young. But this tiny snouted fish is under threat. White’s seahorse, also called the Sydney seahorse, is native to the Pacific waters off Australia’s […]

    Northern Fish Are Tough, but No Match for Climate Change

    Northern Fish Are Tough, but No Match for Climate Change

    By Alyssa Murdoch, Chrystal Mantyka-Pringle and Sapna Sharma Summer has finally arrived in the northern reaches of Canada and Alaska, liberating hundreds of thousands of northern stream fish from their wintering habitats. Through the long winter, many have endured cramped, icy quarters with perilously low oxygen levels. Others have recently journeyed incredible distances from large […]

    Warming Oceans Deter Fish From Spawning, New Study Finds

    Warming Oceans Deter Fish From Spawning, New Study Finds

    By Tim Radford German scientists now know why so many fish are so vulnerable to ever-warming oceans. Global heating imposes a harsh cost at the most critical time of all: the moment of spawning. “Our findings show that, both as embryos in eggs and as adults ready to mate, fish are far more sensitive to […]

    Group Helps Turn Abandoned Shrimp Farms Into Carbon-Storing Mangrove Ecosystems

    Group Helps Turn Abandoned Shrimp Farms Into Carbon-Storing Mangrove Ecosystems

    Along many tropical shorelines, swampy mangrove forests create habitat for fish and buffer the impact of heavy waves. “Mangroves reduce the effects of climate change, protecting coastlines against erosion and rising sea levels and hurricanes or storm surge events,” said Alfredo Quarto, cofounder of the Mangrove Action Project. He says mangrove forests also store a […]

    New High Seas Treaty Could Be a Gamechanger for the Ocean

    New High Seas Treaty Could Be a Gamechanger for the Ocean

    By Tara Lohan Most of us have never been to the world’s immense last wilderness and never will. It’s beyond the horizon and often past the limits of our imaginations. It contains towering underwater mountain ranges, ancient corals, mysterious, unknown forms of life and the largest seagrass meadow in the world. Yet it begins just […]