Dr. Peter Klimley is a man who has held his breath and dived down 100 feet to hand-tag hammerhead sharks with a dart gun. He has even dressed up as a killer whale, complete with towering black ...
Hammerhead sharks don’t lay eggs, though. They gestate their pups in utero. A pregnant shark carries up to 16 embryos, each nourished by an umbilical cord, just like human embryos are.
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