News tagged with plankton

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Jellyfish replacing fish in over-exploited areas

(PhysOrg.com) -- Over-fished commercial stocks of plankton-eating fish have been replaced in several locations by jellyfish species. This appears to be something of a paradox because fish move quickly and ...

Sep 16, 2011 report
4.7 / 5 (14) 10 | with audio podcast

Giant kraken lair discovered

Long before whales, the oceans of Earth were roamed by a very different kind of air-breathing leviathan. Snaggle-toothed ichthyosaurs larger than school buses swam at the top of the Triassic Period ocean food ...

Oct 10, 2011
4.6 / 5 (40) 66 | with audio podcast

Tiny plankton could have big impact on climate

As the climate changes and oceans' acidity increases, tiny plankton seem set to succeed. An international team of marine scientists has found that the smallest plankton groups thrive under elevated carbon ...

Sep 13, 2013
4 / 5 (8) 5 | with audio podcast

Deep-sea crabs grab grub using UV vision

(Phys.org)—Crabs living half-a-mile down in the ocean, beyond the reach of sunlight, have a sort of color vision combining sensitivity to blue and ultraviolet light. Their detection of shorter wavelengths ...

Sep 06, 2012
5 / 5 (2) 1 | with audio podcast