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Toxicology

This category contains 8 posts

Just breathe…OR NOT: Mercury from hydrothermal vents in bubbles and the air

Mercury is a toxic element that can accumulate in marine organisms, including fish we eat. But how does mercury into marine environments? Here we talk about the findings from Bagnato et al., who found lots of mercury coming from hydrothermal systems, and that it could transfer from the water to the air! Laura ZinkeI am […]

The effects of social history on alcohol tolerance in crayfish

Lonely crawdad’s can really handle their liquor according to this study. Abrahim El GamalAbrahim is a PhD student at Scripps Institution of Oceanography in San Diego where he studies marine chemical biology.

Microplastics demystified: a review examining how these tiny plastics act in pollutant transfer

Paper: Lohmann, R. Microplastics Are Not Important for the Cycling and Bioaccumulation of Organic Pollutants in the Oceans—but Should Microplastics Be Considered POPs Themselves? 2017. Integrated Environmental Assessment and Management 13, 460-465. DOI: 10.1002/ieam.1914 Not so fantastic plastic The development of plastic revolutionized daily life. We owe our convenient modern lifestyle to these polymers in […]

Tarballs invading our coastlines: Ghosts of oil spills past

We live in a world that is torn between reliance on fossil fuels and renewable energy. Although we have made great strides towards increasing wind and solar energy, the ghosts of oil spills past are washing up on our shorelines. Katherine BarrettKate is a 3rd year PhD candidate in the Biological Sciences Department at the […]

Manmade Pollutants Plague Deep-sea Organsims

Scientists have found an alarming accumulation of certain persistent organic pollutants in an environment previously thought pristine and untouched by humans: the deep sea. Ashley MarranzinoI received my Master’s degree from the University of Rhode Island where I studied the sensory biology of deep-sea fishes. I am now working with the South Carolina DNR at […]

Dangerous Toxins Threaten Aquaculture on a Global Scale

Mycotoxins in fish feed threaten the health of fish, consumers, and the aquaculture market. The more we learn and understand about these toxins, the more effective regulations can be. Read more to find out how complicated mycotoxin science can be, and how its complexity plays into setting safety standards. Anne M. HartwellHello, welcome to Oceanbites! […]

Mercury at elevated levels observed in only some elephant seals, but why?

Mercury: we know it from old-school thermometers and we know if from sushi; and now we know that the distribution in the ocean is reflected in the blood of northern elephant seals. N.B. No elephant seals were harmed during this research. Anne M. HartwellHello, welcome to Oceanbites! My name is Annie, I’m a marine research […]

Prozac and Cons: How Marine Snails React to Antidepressants

Ever wonder where our antidepressants go after they pass through our systems? Like all waste, our drugs pass out of our body and into our wastewater systems, where they eventually enter the ocean. If these drugs can affect people, do they affect marine life, too? Read on to find out. Erin McLeanHi and welcome to […]

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