This fish is probably anywhere from 30-50 years old! Sturgeon are

What is the biggest fish in the Great Lakes, excluding the sturgeon? - Quora

What happens if you catch a sturgeon? - Quora

Beluga Sturgeon – OCEAN TREASURES Memorial Library

From tree rings to sturgeon growth rings: The fish aging process, by U.S. Fish & Wildlife Service Northeast Region, Conserving the Nature of the Northeast

300-million-year-old fish resembles a sturgeon but took a different evolutionary path

Category Archives: Daily musings…

Sturgeon - Seattle Aquarium

Sturgeon how to IFish Fishing Forum

LAGUNA MARINE WILDLIFE – DRAWING FOR THE PLANET

Sturgeon sensation - Dramatic double discovery of a fish on the brink of extinction