The Siberian sturgeon is classified as a member of the order Acipenseriformes and is a member of the family Acipenseridae. It is classified as an endangered species due to a projected reduction of at least 50% of the Siberian sturgeon population over the next ten years based on actual levels of exploitation.

• Alabama Sturgeon (Scaphirhynchus suttkusi)

The Alabama sturgeon is classified as a member of the order Acipenseriformes and is a member of the family Acipenseridae. It is classified as a critically endangered species due to a reduction of at least 80% of the Alabama sturgeon population over the last ten years based on a decline in area of occupancy and actual levels of exploitation, and a projected decline of at least 80% over the next ten years based on the same reason.

• Chinese Paddlefish (Psephurus gladius)

The Chinese paddlefish is classified as a member of the order Acipenseriformes and is a member of the family Polyodontidae. It is classified as a critically endangered species due to a projected reduction of at least 80% of the Alabama sturgeon population over the next ten years based on a decline in area of occupancy and actual levels of exploitation.

• Alabama Shad (Alosa alabamae)

The Alabama shad is classified as a member of the order Clupeiformes (Herrings) and is a member of the family Clupeidae. It is classified as an endangered species due to a severely fragmented population and a continuing decline in the number of mature adults.

• Silver Shark (Balantiocheilos melanopterus)

The silver shark is classified as a member of the order Cypriniformes and is a member of the family Cyprinidae. The silver shark is classified as an endangered species due to a reduction of at least e0% of the silver shark population over the last ten years based on direct observation and a decline in area of occupancy.

• Clanwilliam Redfin (Barbus calidus)

The clanwilliam redfin is classified as a member of the order Cypriniformes and is a member of the family Cyprinidae. The clanwilliam redfin is classified as an endangered species due to the fact that its estimated area of occurence is less than 5000 km², it is known to exist at no more than five locations, and continuing decline is projected for extent of occurence and area of habitat.

• Wild Common Carp (Cyprinus carpio)

The wild common carp is classified as a member of the order Cypriniformes and is a member of the family Cyprinidae. It is classified as a critically endangered species due to a projected reduction of at least 80% of the wild common carp population over the next ten years based on a decline in area of occupancy and introduced pollutants, parasites, or other threats.