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..
Several species of sturgeon are harvested for their roe which is processed into caviarâa luxury food and the reason why caviar producing sturgeons are among the most valuable of all wildlife resources. They are particularly vulnerable to overexploitation and other threats, including pollution and habitat fragmentation. Most species of sturgeon are considered to be at risk of extinction, making them more critically endangered than any other group of species.
Lake sturgeon are the only sturgeon species endemic to the Great Lakes basin and are the largest freshwater fish indigenous to that system. Lake sturgeon can be considered a nearshore, warmwater species with water temperature and depth preferences of low 50s to mid-60oF and 15-30 feet, respectively. Lake sturgeon are benthivores, feeding on small invertebrates such as insect larvae, crayfish, snails, clams, and leeches.