The Water Resources Division's Surface Water Assessment Section oversees the protection of the quality of surface waters throughout the State of Michigan.
WEIGHT = 4.09 pounds Largemouth Bass Weight. The formula to calculate the weight for a Largemouth Bass that is 20 inches long and has a girth of 15 inches is as follows. Largemouth Bass have a shape factor of 1050. WEIGHT = LENGTH x GIRTH2 / SHAPE FACTOR. WEIGHT= 20 x (152) / 1050.
In the Bay of Fundy, according to Leim shad weigh about 1/5 pound at 8 inches; about 3/5 pound at 12 inches; about 11/3 pounds at 15 to 16 inches; about 21/2 pounds at about 20 inches; and about 41/2 pounds at 23 to 24 inches, though with variations according to their condition.