Kaluga (fish)

Species of sturgeon KalugaTemporal range: Pliocene-Recent A kaluga in the Primorsky Oceanarium [ru] Model/Specimen Conservation status Critically Endangered (IUCN 3.1) CITES Appendix II Scientific classification Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Acipenseriformes Family: Acipenseridae Genus: Sinosturio Species: S. dauricus Binomial name Sinosturio dauricus(Georgi 1775) Synonyms List Acipenser dauricus Georgi, 1775 Acipenser mantschuricus Basilewsky, 1855 Acipenser orientalis Pallas, 1814 Huso dauricus (Georgi, 1775) Huso orientalis (Pallas, 1814) Ichthyocolla daurica (Georgi, 1775) Acipenser kaluschka Steller, 1814 The kaluga (Sinosturio dauricus), also known as the kaluga sturgeon, river beluga sturgeon, is a large predatory sturgeon found in the Amur River basin from Russia to China and near Hokkaido in Japan. 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. Unlike the slightly larger beluga, this fish has five major rows of dermal scutes and feeds on salmon and other fish in the Amur with nail-like teeth in its jaws. They have grey-green to black backs with a yellowish gre