As the oceans warm, fish are moving to stay in temperature zones where they have evolved to live. This is helping some species, hurting others and causing a net reduction in potential catch.
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Articles on Fish
Displaying 1 - 20 of 236 articles
A new IPCC report has called for radical changes in food production to avoid catastrophic climate change. Rice-fish farming and mixed crops could help.
Many chronic diseases increase our risk of Alzheimer's disease. This link between our bodies and our brains means certain healthy choices could protect our cognitive function.
Clownfish eggs exposed to artificial light completely fail to hatch, highlighting the growing problem of light pollution.
Scrapping the idea of a species is an extreme idea – but perhaps a good one.
It's not just the ocean we need to worry about – plastic is accumulating in the world's rivers, too.
Fish farming has been criticised for a lack of sustainability – here's what has been changing and what still remains a challenge.
New research reveals that miniature, brightly coloured fish play an outsized role in the marine food chain in coral reefs.
To ensure overall biodiversity, the intensity and impact of small-scale fisheries' methods needs far more attention.
Californians love their coast and strongly oppose offshore drilling. Will they support converting old oil rigs to artificial reefs – a policy that benefits both marine life and oil companies?
Tiny calcified formations inside fishes' ears can be used to trace a fish's life history – and potentially, how climate change has affected its growth and development.
Some people argue the absence of evidence is not evidence of absence, you just need to keep looking. But there are occasions where finding no evidence is all you can do.
Protecting forests and wetlands, which absorb and store carbon, is one way to slow climate change. Scientists are proposing similar treatment for marine animals that help store carbon in the oceans.
Fish deaths at the lower Darling can happen again. Here's what we can do about it.
For decades, New England students took field trips out into the Long Island Sound. Their data show how quickly the sound is warming, leading to fewer American lobster, rock crab and winter flounder.
As antibiotic resistance increases globally, the heat is on to find new alternatives to treat infections. Chemists can get a head start by looking at compounds produced in nature by fishes' microbes.
The mouse who tidied the shed he lives in fascinated human viewers, but cleanliness isn't a virtue unique to humans.
The pressure in the deepest part of the ocean can be 1,000 times greater than the pressure we experience at sea level – but creatures that live and visit there have some very special features.
Male plainfin midshipman fish take care of their nests and offspring, but climate change is threatening their ability to do so.
Lake Malawi is considered a biodiversity treasure because almost all its species occurs nowhere else on the planet.
Top contributors
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John Long is a Friend of The Conversation.Strategic Professor in Palaeontology, Flinders University
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Senior lecturer in Ecology, Charles Sturt University
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Honorary Fellow in Economics, The University of Queensland
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Associate Professor, University of Wollongong
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Senior Principal Research Scientist - Oceans and Atmosphere, CSIRO
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Lecturer in Marine Biology, Swansea University
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Visiting Scientist, San Diego State University
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Associate professor in Marine Biology, University of Melbourne
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Associate professor, University of Technology Sydney
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Adjunct professor, King Abdullah University of Science and Technology
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Professor in Evolutionary Biology (jointly appointed with South Australian Museum), Flinders University
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Head, Metabolic Genetic Diseases Research Laboratory, Deakin University
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Research Associate, University of Western Australia
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Associate Professor in Marine Ecology, Macquarie University
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Associate Professor, Macquarie University
