Elephant Shark (IMAGE)

Washington University School of Medicine

Elephant Shark

Caption

Byrappa Venkatesh, Ph.D., holds an elephant shark, one of the world's oldest-living jawed vertebrates. Sequencing its genome offers new clues to why the skeleton of this fish is made of cartilage rather than bone and how the immune system evolved in higher organisms.

Credit

Byrappa Venkatesh, Ph.D.

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Credit to Byrappa Venkatesh, Ph.D.

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