A new species of giant clam has been discovered in the Red Sea.
Fossils suggest that, about 125,000 years ago, the species Tridacna costata accounted for more than 80% of the area's giant clams.
The species may now be critically endangered, researchers report in Current Biology journal.
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This video, captured by University of California Santa Cruz professor Giacomo Bernardi, shows an orange-dotted tuskfish (Choerodon anchorago) cracking open a clam by throwing it against a rock.
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Also, master of molluscan anatomy, and clever tool user.
Have you had a chance to see this video from Discovery News showing the flashy 'disco clam'? A graduate student at UC Berkeley, Lindsey Dougherty, unraveled the mystery of this party-like effect.
Geez Greg, I got all excited to learn there was a new species of giant clam, but then you say they're endangered? What am I going to do for my famous Giant Clam Chowder now?