Divers have little trouble recognizing a hammerhead when they ... the genus Sphyrna (Greek for “hammer”), while another—an ...

Scientists very rarely get access to most sharks, the development of their young or the nursery grounds where they grow. So seeing a hammerhead ... uniquely develop a hammer-shaped head known ...

This research allows us to study crucial stages in hammerhead development and, importantly, the precise moments – like this one pictured – when the embryo develops the characteristic head shape.