Biologist Zeb Hogan leads the National Geographic Megafishes Project, a three-year effort to document the 20-some species of freshwater fish at least 6.5 feet in length or 220 pounds in weight.
Biologist Zeb Hogan leads the National Geographic Megafishes Project, a three-year effort to document the 20-some species of freshwater fish at least 6.5 feet in length or 220 pounds in weight.