Sporting an armor of five rows of bony, modified scales called dermal scutes and a shark-like tail fin, this group of several-hundred ... supported by a slow rate of evolution, sturgeon have been ...

The white sturgeon is the largest freshwater fish in ... One team member holds a fish’s head, another the tail, while a third scans for telemetric tags that indicate whether the fish has been ...

Despite their survival through several geological time periods, many present-day sturgeon species are at threat of extinction, with 17 of 27 species listed as “critically endangered.” ...

Sporting an armor of five rows of bony, modified scales called dermal scutes and a shark-like tail fin ... supported by a slow rate of evolution, sturgeon have been called living fossils.

Sporting an armor of five rows of bony, modified scales called dermal scutes and a sharklike tail fin ... supported by a slow rate of evolution, sturgeon have been called living fossils.