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Climate change may be culprit in Antarctic fish disease outbreak

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A study by two UO researchers suggests warming water in the Antarctic may be behind a disease outbreak among icefish. The research was captured in a graphic novel (above) by UO undergraduate Chloe DaMommio. Climate change might be behind an unusual disease outbreak among Antarctic fish.

For about a decade, UO biologists John Postlethwait and Thomas Desvignes have been visiting the West Antarctic Peninsula. They study a unique group of fish that has adapted to the harsh polar environment. But on a 2018 field excursion, they noticed something especially strange: a large number of those fish were afflicted with grotesque skin tumors.

Collaborating with virologists and pathologists, they determined the tumors were the result of a parasitic illness, an unprecedented outbreak on a scale never seen before near Antarctica. Waters and melting ice might have contributed to the outbreak in this particularly vulnerable ecosystem, the team reports in June in the journal iScience .

“When life conditions become challenging, animals become more prone to disease,” said Thomas Desvignes, chief scientist during the research expedition and lead author on the study.

The researchers also worked with UO undergraduate Chloe DaMommio to create a short graphic novel about the research, available to read for free […]

Click here to view original web page at around.uoregon.edu

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