Image-of-the-Week: Fish Futures


Anemonefish protecting its eggs.: Credit: Silke Baron via Wikimedia Commons.Anemonefish protecting its eggs. Credit: Silke Baron via Wikimedia Commons.

Coral reef dwellers, like this anemonefish guarding its eggs, may be at greater risk from climate change than species on the land. A new paper in Science reports that while while the land has warmed faster than the ocean over the past 50 years, the rates of temperature shifts in the sea are greater than on land. Drawing on five decades of global temperature data from the UK’s Hadley Centre, the authors tracked the velocity of oceanic climate change in two ways: 1) geographical shifts in temperature bands (isotherms) and, 2) seasonal changes in temperature. They found that geographic shifts in isotherms have outpaced changes on land. Which means marine life must adapt rapidly to keep pace with big habitat changes in the ocean. Recent changes along the California coast—increases in abundance of tropical Humboldt squid and decreases in abundance of salmon—are in keeping with their findings.

The paper:

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Fact:

In-depth journalism that investigates the powerful takes real money and is so damn important right now.But it doesn’t take a Mother Jones investigation to know that billionaires and corporations will never fund the type of reporting (like they do politicians) we do that exists to help bring about change. Instead, our mission-driven journalism is made possible by people power, and has been for 46 years now since our founding as a non-profit.

In “TITLE TK” Monica Bauerlein writes about the perilous moment we’re in, and why it’s so important that we raise $325,000 by the time November’s midterms are decided so we can be ready to throw everything we have at the big issues facing the nation no matter what happens. Please help MoJo’s people-powered journalism with a donation today.

$400,000 to go!

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