Very rare' endangered fish found swimming in Kansas River

Pallid Sturgeon in the Missouri River (U.S. National Park Service)

Researchers rescue endangered sawfish in Florida Keys

Rare Eel Found In Kansas River For The First Time In 10 Years

9 Cool Freshwater Fish You've Never Heard Of - Cool Green Science

50 record-breaking fish caught in the US

Darters Missouri Department of Conservation

Salmon Shark Found Along River in Idaho Was a Prank

Penn State research team studies rare Susquehanna fish

50 record-breaking fish caught in the US

Shortnose Sturgeon

Behemoth' 64-pound fish caught by bowfisherman sets a record in