Lake Sturgeon : Great Lakes Aquarium

Lake Sturgeon

Exhibits: Isle Royale

Animal Groups: Fish

Latin Name: Acipenser fulvescens

Fish and benthic aquatic invertebrates


Lives along the bottom of cold waters of Lake Superior and warmer inland lakes and rivers. Due to size, this fish generally needs fairly open spaces.

Natural History

Lake Sturgeon are the largest and longest living fish in the Great Lakes. In the cold waters of Lake Superior this fish may live 80-100 years and grow to five or more feet in length. Enthusiastically harvested for their eggs (caviar), oils and meat in the last century, Lake Sturgeon are now protected in Lake Superior. Sturgeon reach maturity in their late teens-twenties and populations benefit from angling restrictions. Fishing seasons remain open for sturgeon in warmer inland rivers and lakes.