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When ready to spawn, white sturgeon choose a variety of substrates dependent on the river system, spawning on gravel or rocky substrate in moderate to fast currents, with observed depths of 3–23 m (9.8–75.5 ft), and water velocities at the bottom on a range of 0.6-2.4 m/sec. [21] When eggs are released by the female, they are negatively ...
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.
The largest sturgeon on record was a beluga female captured in the Volga Delta in 1827, measuring 7.2 m (23 ft 7 in) long and weighing 1,571 kg (3,463 lb). Most sturgeons are anadromous bottom-feeders , migrating upstream to spawn but spending most of their lives feeding in river deltas and estuaries .
White sturgeon are the largest freshwater fish in North America. They look prehistoric, with bony, dinosaur-esque scales called scutes, and they get huge — some grow longer than 10 feet, and ...
This giant white sturgeon, measuring over 7 feet long and likely more than 80 years old, was one of five sturgeon illegally caught in Scappoose Bay in 2022.
The biggest recorded taimen was caught in the Kotui River in Russia, and measured 2.1 m (6.9 ft) and weighed 105 kg (231 lb). [129] Some sources claim the largest is the Chinook salmon ( Oncorhynchus tshawytscha ) of America's Pacific Northwest, although this species falls behind the taimen in maximum size. [ 73 ]
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White sturgeon: Acipenser transmontanus: 6.1 [17] 16 ... Largest organisms; References This page was last edited on 9 October 2024, at 01:54 (UTC). Text is ...