Pseudoscaphirhynchus

Pseudoscaphirhynchus fedtschenkoi

Pseudoscaphirhynchus is a genus of the blade sturgeon ( Scaphirhynchinae ), which includes three occurring in the tributaries of the Aral Sea species. All three species are threatened by the massive destruction and pollution of their habitats from extinction, Pseudoscaphirhynchus fedtschenkoi and Pseudoscaphirhynchus hermanni are possibly already extinct.

Features

Pseudoscaphirhynchus with maximum lengths are significantly less than one meter, the smallest extant sturgeon species. Your body is spindle-shaped with a relatively broad front body and has five rows of bony scales like most other sturgeon species on. The muzzle is broad and spatulate. Of the species of the genus Scaphirhynchus they differ in the two-lobed lower lip, which ungefransten barbels and the caudal peduncle, which is not completely covered by bony plates.

System

The genus includes three species and is the sister taxon of the genus Scaphirhynchus with them together the subfamily of the blade sturgeon ( Scaphirhynchinae ) forms within the family of sturgeons ( Acipenseridae ).

• Little Amu - Shovelnose ( Pseudoscaphirhynchus hermanni )
• Syr - Shovelnose ( Pseudoscaphirhynchus fedtschenkoi )
• Large Amu - Shovelnose ( Pseudoscaphirhynchus mercantile )