Researchers discover biological hydraulic system in tuna fins

Cutting through the ocean like a jet through the sky, giant bluefin tuna are built for performance, endurance and speed. Just as the fastest planes have carefully positioned wings and tail flaps to ensure precision maneuverability ...

How short-term heat waves impact apex marine predators

A large team of marine scientists affiliated with a host of institutions across the U.S. has learned how some marine apex predators react to short-term heat waves. In their study, published in the journal Nature Communications, ...

Bluefin tuna reveal global ocean patterns of mercury pollution

Bluefin tuna, a long-lived migratory species that accumulates mercury as it ages, can be used as a global barometer of the heavy metal and the risk posed to ocean life and human health, according to a study by Rutgers and ...

Bluefin tuna are back around the UK and a new study explains why

Bluefin tuna are back in the sea around the U.K. after decades of absence and a new study says that warming seas can explain why. Bluefin tuna are one of the biggest, most valuable and most endangered fish in the oceans. ...

Fish evolve by playing it safe

New research supports the creation of more marine reserves in the world's oceans because, the authors say, fish can evolve to be more cautious and stay away from fishing nets.

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