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The lake sturgeon (Acipenser fulvescens), also known as the rock sturgeon, [7] is a North American temperate freshwater fish, one of about 25 species of sturgeon.Like other sturgeons, this species is a bottom feeder and has a partly cartilaginous skeleton, an overall streamlined shape, and skin bearing rows of bony plates on the sides and back.
Within the course of a century, the once abundant sturgeon fisheries in the US and Canada had drastically declined, and in some areas had been extirpated under the pressure of commercial overharvesting, pollution, human encroachment, habitat loss, and the damming of rivers that blocked their ancestral migration to spawning grounds.
"The fact that we're seeing more and more lake sturgeon populations spawning in their historical habitat is a clear sign that restoration efforts are progressing," Meeks said.
The Service found although lake sturgeon declined over the last century in parts of its range due to overexploitation and loss of access to spawning habitat, efforts such as fish stocking have ...
Additional habitat was created by constructing approximately 25 acres (10 ha) of new aquatic and wetland habitat plantings. Also, approximately 5,000 feet (1,500 m) of shoreline was restored, deep holes were created to locally diversify the lake bottom, and herbicidal and biological controls were implemented to control aquatic and shoreline ...
A public information meeting on the future of sturgeon spearing will take place from 7 p.m. to 8 p.m. Monday, Jan. 22, at the Stockbridge High School Gym, 110 School St., Stockbridge, with local ...
Habitat Notes Acipenseridae (family) Lake sturgeon: Acipenser fulvescens: Bottom of lakes and big rivers over sand, gravel, or rock bottom Endangered Amiidae (family) Bowfin: Amia calva: Sloughs, sluggish rivers to medium rivers with moderate flow Anguillidae (family) American eel: Anguilla rostrate: Large rivers w/ moderate flow Atherinidae ...
Sturgeon are native to the Columbia River drainage, and they're found in a number of places along the upper Columbia River, including Lake Roosevelt, the reservoir formed by Grand Coulee Dam.