I found several hand-size shells on a Baja beach last winter, and learned they’re called pen shells. I would have named the translucent beauties fan shells, since they look like fluted fans decorated ...
Diving in the cold November sea near the Croatian coast to check several submerged onion bags hanging on the suspended rope, Croatian marine biologists Silvija Kipson and Sandro Dujmović were in for a ...
The giant pen shell, or pinna nobilis, is found only in the Mediterranean Sea. But in 2016, a mass die-off occurred that nearly made them extinct. Now, some surviving specimens have been found off the ...
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