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A study of 686 fish and invertebrates predicts that some animals will have to shift more than 1,000 kilometers to stay within tolerable temperatures.

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Bigger, older mothers produce disproportionately more eggs than their smaller counterparts do.

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The Atlantic has been free of intense air-gun blasts to probe for oil and gas for 30 years, and researchers fear for endangered North Atlantic right whales and other animals.

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image: Image of the Day: Hold My Brood

Image of the Day: Hold My Brood

By The Scientist Staff | May 9, 2018

Cuckoo catfish trick cichlids into caring for their eggs in a strategy known as brood parasitism.

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image: Image of the Day: Original Fin

Image of the Day: Original Fin

By The Scientist Staff | April 2, 2018

Researchers identify the genetics underlying the development of dorsal fins in ancient fish.

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The variation may help explain why stocked salmon don’t fare as well in the ocean.

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A closer moon and ideal coastal conditions for tide pool formation may have started the evolutionary transition of tetrapods.

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Poecilia formosa, an all-female fish species, has a surprisingly robust genome. 

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image: Blind Cavefish in Mexico Offer Clues to Sleep Regulation

Blind Cavefish in Mexico Offer Clues to Sleep Regulation

By Catherine Offord | February 7, 2018

Two studies identify a signaling pathway that contributes to the fish’s sleeplessness.

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image: Caught on Camera

Caught on Camera

By The Scientist Staff | January 1, 2018

Selected Images of the Day from the-scientist.com

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