white sturgeon vs Sacramento sturgeon

white sturgeon and Sacramento sturgeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
white sturgeon	Yes	No	No	No
Sacramento sturgeon	Yes	No	No	No

As nouns, white sturgeon and Sacramento sturgeon are synonyms defined as:

white sturgeon and Sacramento sturgeon: food and game fish of marine and fresh waters of northwestern coast of North America

Other synonyms of white sturgeon include Acipenser transmontanus, Pacific sturgeon.

white sturgeon (noun)	Sacramento sturgeon (noun)
food and game fish of marine and fresh waters of northwestern coast of North America	food and game fish of marine and fresh waters of northwestern coast of North America
valuable source of caviar and isinglass; found in Black and Caspian seas