Kaluga sturgeon are in danger of being eradicated due to over fishing. The series of longitudinal scutes are five: dorsal (1 series, 9-17 scutes), lateral (2 series, one per side, 28-60 scutes each) and ventral series (2 series, one per side, 7-14 scutes each). The surface of the skin is covered by fine denticles.
The dorsal fin has 48 to 81 soft rays, the anal fin, much shorter, has 22 to 41 soft rays. The largest known white sturgeon ever caught was a 1,100 pound fish. However, the largest white sturgeon caught by a fisherman is believed to be the estimated 1,100-pounder measuring 12 feet, 4 inches caught in July 2012. Huso huso shows typical characteristics of sturgeons, i.e., elongated body, heterocercal tail, partially cartilaginous skeleton, naked skin, longitudinal series of scutes. Chinese officials stated plans to artificially inseminate this type of large female fish and release them back into the wilds to boost the population. The rostrumis conical and contain…