What is "white sturgeon"

Shovelnose \Shov"el*nose`\, n. (Zo["o]l.)

1. The common sand shark. See under Snad.

2. A small California shark ( Heptranchias maculatus), which is taken for its oil.

3. A Pacific Ocean shark ( Hexanchus corinus).

4. A ganoid fish of the Sturgeon family ( Scaphirhynchus platyrhynchus) of the Mississippi and Ohio rivers; -- called also white sturgeon.

1. n. valuable source of caviar and isinglass; found in Black and Caspian seas [syn: beluga, hausen, Acipenser huso]

2. food and game fish of marine and fresh waters of northwestern coast of North America [syn: Pacific sturgeon, Sacramento sturgeon, Acipenser transmontanus]

The white sturgeon (Acipenser transmontanus), also known as the Pacific sturgeon, Oregon sturgeon, Columbia sturgeon, Sacramento sturgeon, and California white sturgeon, is a sturgeon (a fish of the family Acipenseridae) which lives along the west coast of North America from the Aleutian Islands to Central California.

It is the largest freshwater fish in North America and is the third-largest species of sturgeon, after the beluga and the kaluga. The white sturgeon is known to reach a maximum size of 816 kg (1,799 lb) and 6.1 m (20 ft).