Set of scaled elevation drawings of the Lake Sturgeon viewed from the front and side

The Lake Sturgeon (Acipenser fulvescens) is not only a valuable gourmet food fish, but their caviar and isinglass are also used as specialty products. Because they are bottom feeders, they have barbels near their mouth for locating prey. They are also called rock sturgeon and swallow food because of lack of teeth, and belong to the family Acipenseridae besides being found in freshwater rivers and lakes in warm parts of North America.

Their torpedo-shaped bodies lack scales but bear rows of bony plates. The Lake Sturgeon is known to delay maturity and also spot an elongated spade-like snout and migrate for food and spawning locations.

Lake Sturgeon have a total length between 36”-72” (91-183 cm), body height of 5.5”-11” (14-28 cm), and an overall weight in the range of 30-100 lb (13.6-45.4 kg). The typical lifespan of the Lake Sturgeon is 55-150 years.


*Under Development*

5.5”-11” | 14-28 cm
36”-72” | 91-183 cm
30-100 lb | 13.6-45.4 kg
Scientific Name:
Acipenser fulvescens
55-150 years


Drawings include:

Lake Sturgeon side elevation, front

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Freshwater fish are fish that spend some or all of their live in water with a salinity level lower than .05%. Freshwater fish, due to the segmented nature of ponds, lakes, and rivers, are subject to speciation similar to species on islands.