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The kaluga (Huso dauricus), also known as the river beluga, is a large predatory sturgeon found in the Amur River basin from Russia to China and near Hokkaido in Japan. [1] With a maximum size of at least 1,000 kg (2,205 lb) and 5.6 m (18 ft), the kaluga is one of the biggest of the sturgeon family.
Several species can grow quite large, typically ranging 2–3.5 m (7–12 ft) in length. 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).
The fish, tagged and released by U.S. Fish and Wildlife Service crew, was about 7 feet long, one of the largest lake sturgeon caught in United States.
In 2012, the largest sturgeon ever caught on Lake Winnebago (a female) was 125 years old, weighed 240 lb., and measured 87.5 in. in length. It was tagged and released by scientists from the Wisconsin Department of Natural Resources. [28] The sturgeon is also present in Quebec in the St. Lawrence River, where it is targeted by commercial fisheries.
The biggest sturgeon of the season, to date, is Kurt Knoll's 148-pound female, which he speared out of the Upriver Lakes Feb. 17. Of the sturgeon harvested this year so far, eight have weighed ...
It is the largest freshwater fish in the world. The beluga also rivals the great white shark (Carcharodon carcharias) and the greenland shark (Somniosus microcephalus) for the title of largest actively predatory fish. [10] [11] The largest accepted record is of a female taken in 1827 in the Volga estuary at 1,571 kg (3,463 lb) and 7.2 m (23 ft ...
General ice fishing found much more success due to the state of the ice, but sturgeon spearers in the Feb. 14 report lamented the agony of spending all day staring into a hole of murky water.
In June 2022, it was reported that a specimen caught in the Mekong river had broken the record for the largest strict freshwater fish ever documented (the largest sturgeon species can far exceed this size, but they are anadromous). The individual weighed 661 lb (300 kg), and was measured at 3.98 m (13.1 ft) long and 2.2 m (7.2 ft) wide. [11]