Top definition. buck. 1.v: slang for the act of fighting. 2.v: slang for disagree'ing and feeling angry towards something. 3.n: slang for a young black man. 4.n: a male deer. 5.n: slang for money. 1. me: Ray was bucking at lunch..
Officially Listed as Endangered, Sturgeon Are on the Slow Way Back. January 31, 2012 Brad Sewell. Our oceans are home to any number of remarkable, even bizarre, creatures. Today, one of the countryâs largestâthe Atlantic sturgeonâhas officially been protected under the Endangered Species Act (ESA).
Beluga sturgeon in an aquarium. Sturgeon is the common name for the 27 species of fish belonging to the family Acipenseridae. Their evolution dates back to the Triassic some 245 to 208 million years ago. The family is grouped into four genera: Acipenser, Huso, Scaphirhynchus and Pseudoscaphirhynchus. Four species may now be extinct.