All fish articles
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ResearchRotting fish experiments reveal how organs fossilise
Most fossils are bones, but individual organs’ biochemistry determines whether they are preserved in rock
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ResearchStealthy robot trout could infiltrate schools of fish and monitor marine pollution
Piezoelectric robotic fish swims like the real thing and harvests energy that could power on-board sensors
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ResearchGreener plastic made from leftover fish guts and bones
Canadian researchers make a polyurethane-like polymer from oils
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ResearchTyre compound driving mystery salmon deaths identified after years of chemical detective work
Previously unknown substance washes from roads to spawning streams – and likely has wide impact on aquatic ecosystems
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NewsDearth of vital microplastics research on North American fisheries
Most microplastic studies on commercially-important fishery species come from Europe, Asia and South America
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ResearchSecret of super-tough scales of giant Amazonian fish uncovered
Spiral-staircase structure prevents the scales being penetrated by piranhas
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PodcastCiguatoxin
The toxin found in reef fish that leads to food poisoning so bad it can cause life-long symptoms
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PodcastOmega-3 fatty acids
Many consume cod liver oil due to 'a vague sense we should be taking them for something' – but what to the omega-3 fatty acids actually do?
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ResearchHow goldfish ‘get drunk’ to cope with cold winters
Researchers reveal the metabolic survival secrets of boozy pond dwellers
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ResearchUV protection shines in sunlight
DNA coating that protects skin from damaging radiation gets better the longer it is exposed to sunlight
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NewsHeavy metal's revenge
Climate change could see levels of toxic mercury rise again even as the world cuts emissions
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FeatureAntidepressant pollution
What are the consequences of medicating wildlife against anxiety and depression? Ida Emilie Steinmark reports
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ResearchWastewater plant upgrade fixes fish feminisation problem
Gender balance has been restored in a Canadian river by cutting levels of endocrine disruptors
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PodcastTrimethylamine
It reeks of rotting fish but finds use in a range of applications - Jenna Bilbrey introduces trimethylamine
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NewsMercury levels falls in US women
Environmental Protection Agency believes women’s fish choices are responsible for the reduction
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News
BPA causes freaky fish flirting
Controversial chemical bisphenol A can cause sexual barriers to break down between fish species