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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 ...
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.
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.
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 ...
The green sturgeon is the most widely distributed member of the sturgeon family Acipenseridae, and is also the most marine-oriented of the sturgeon species. Green sturgeon are known to range in nearshore marine waters from Mexico to the Bering Sea, with a general tendency to head North after their out-migration from freshwater. [41]
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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]