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).
Sturgeons have been conserved as fossils ever since the early Cretaceous â some 130 million years ago; they are what we call âliving fossilsâ. But a new study by University of Michigan researchers revealed that in some aspects, sturgeons are one of the fastest-evolving fish on the planet.turgeons have been conserved as fossils ever since the early Cretaceous â some 130 million years ago; they are what we call âliving fossilsâ. But a new study by University of Michigan researchers revealed that in some aspects, sturgeons are one of the fastest-evolving fish on the planet.