Valuable Fish
Which Fish?
By the mid 1800s, however, profitable uses for the sturgeon were found. Sturgeon began being harvested for the their meat as well as their eggs, which were made into caviar, an expensive delicacy. In addition, a type of gelatin called isinglass was taken from sturgeon swim bladders and used to clarify wines, beers and other liquids. Once a commercially valuable fish, sturgeons were soon over harvested.
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