A team of researchers have discovered a mysterious group of mako sharks of the Gulf of Mexico who migrate around Florida and up to Rhode Island. They call these makos 'mavericks.' Now, the teams are trying to discover what sets them apart from other makos.

A new ocean phenomenon known as The Blob sends juvenile great white sharks straight into a feeding frenzy of monster 20-foot adults off Guadalupe Island. A team of shark experts dives deep to discover if the young sharks survive or become a snack.

Scientist Dr. Riley Elliott is tracking two of the ocean's most legendary apex predators – great whites and makos – as they head on a collision course during their yearly migration off the coast of New Zealand.