The Mola Mola are the heaviest of all the bony fish, with large specimens reaching 14 feet vertically, 10 feet horizontally and weighing nearly 5,000 pounds, according to National Geographic.

Researchers value the collection because it reveals how environmental changes affect fish. This story appears in the October 2019 issue of National Geographic ... that rise 10 feet high and ...

This story appears in the August 2010 issue of National Geographic ... lateral feet into South Passage, Kakuk collects a water sample for Macalady in a plastic tube. He points out a fish with ...