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Sharks from the Vault
The sharks housed in the Smithsonian National Museum of Natural History's...
Fri, 07/20/2018 - 11:30
This cookie-cutter shark (Isistius brasilienses) has a unique bite mark that they...
A Blind Shark Baby
The blind shark (Brachaelurus waddi) is lecithotrophic viviparous— the eggs are...
How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
Dugongs, along with manatees, make up a group of marine mammals called sirenians or...