shovelnose sturgeon
scaphirhynchus platorynchus latin

There is some interest in marketing the shovelnose sturgeon as an aquarium species.

Some early summer foods of the shovelnose sturgeon in the Missouri River.

The shovelnose sturgeon, as its distribution represents, is impacted very little by turbidity.

Additional game fish species include arctic grayling, mountain whitefish and the shovelnose sturgeon.

The roe of the shovelnose sturgeon is marketed as "hackleback" caviar.

The pallid sturgeon's snout and head are longer than that of the shovelnose sturgeon.

The shovelnose sturgeon feeds on the bottom, using its highly protrusible mouth to suck up its food.

As with many riverine fish species, the shovelnose sturgeon does not have a restricted home range and may travel long distances (Pflieger 1997).

Pallid sturgeon prefer swift river currents more often than do shovelnose sturgeon.

However, the genetic variability among pallid sturgeon was found to be far less than that between them and the shovelnose sturgeon.

The shovelnose sturgeon is characterized by a long slender filament on the upper lobe of the caudal fin.

Coloration of the shovelnose sturgeon ranges from a light-brown to buff with a white belly (Pflieger 1997).

Another reason for DNA testing was to determine the rates of hybridization between pallid and shovelnose sturgeon.

Early DNA research indicated that pallid sturgeon and shovelnose sturgeon were a single species.

Fish is a more important dietary staple for pallid sturgeon than it is for shovelnose sturgeon.

Scaphirhynchus platorynchus (Shovelnose sturgeon)

Pallid sturgeon are much paler in coloration with grayish white backs and sides, while shovelnose sturgeon are brown.

Another part, they said, entailed falsely representing roe from two American species - the shovelnose sturgeon and the paddlefish - as legally imported Sevruga caviar.

The shovelnose sturgeon, Scaphirhynchus platorynchus, is the smallest species of freshwater sturgeon native to the United States of America.

The dwarf sturgeon or small Amu-dar shovelnose sturgeon (Pseudoscaphirhynchus hermanni) is a species of fish in the Acipenseridae family.

The belly of the shovelnose sturgeon is covered with scale-like plates, which is another distinguishing factor from pallid sturgeon who have primarily scaleless bellies.

Poaching of the shovelnose sturgeon is becoming a problem, as they must be 8-10 years old before spawning can occur, and females are only gravid once every 3 years.

Like the shovelnose sturgeon, their tails are heterocercal, with the top tail fin being longer than the bottom fin, though this is more pronounced in pallid sturgeon.

As old world sources of Caspian and Black Sea sturgeon caviar have become endangered, roe from shovelnose sturgeon and paddlefish have recently become commercially important.

It is not known if the hybrids are able to reproduce or not, although they appear to be the result of pallid sturgeon eggs being fertilized by shovelnose sturgeon males.

Scaphirhynchus platorynchus (Shovelnose sturgeon)

The shovelnose sturgeon, Scaphirhynchus platorynchus, is the smallest species of freshwater sturgeon native to the United States of America.