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The pearly nacre of a nautilus shell is sought after for jewelry.
A Diatom Helix
This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...
Sharks caught in nets
Shark nets are trapping and killing dozens of sharks off the coast of South Africa....
Built for Speed
Great White Sharks (Carcharodon carcharias) are powerful swimmers, capable of going...
TOPP cartoon of Omoo
Omoo, a Great White Shark (Carcharodon carcharias), carries a satellite tag that...
Dead Great White Shark
By-catch, illegal fishing, sport fishing, loss of prey and habitat and shark nets...
Studying Giant Squid
Smithsonian Zoologist Dr. Clyde Roper (rear) and museum specialist Mike Sweeney...