Kaluga (Huso dauricus)
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General data

Main name: Kaluga
Local names: River beluga
Climates: Temperate, Continental
Habitat: Anadromous
Native: Asia
Distribution: Amur, Sea of Okhotsk, Sea of Japan (East Sea)

Classification

Genus: Huso - Beluga sturgeons
Family: Acipenseridae - Sturgeons
Order: Acipenseriformes - Sturgeons and Paddlefish
Class: Chondrostei - Sturgeons
Superclass: Osteichthyes - Bony fishes

Description

The kaluga (Huso dauricus), also known as the river beluga, is a large predatory sturgeon found in the Amur River basin. With a maximum size of at least 1,000 kg (2,205 lb) and 5.6 m (18.6 ft), the kaluga is one of the biggest of the sturgeon family. Like the slightly larger beluga, it spends part of its life in salt water. Unlike the beluga, this fish has 5 major rows of dermal scutes and feeds on salmon and other fish in the Amur. They have gray-green to black backs with a yellowish green-white underbelly. Distribution Amur basin in Asia, ascending far up to the Argun, Shilka, and Onon. In the Amur Liman to the Amur estuary in the Sea of Okhotsk. Adults inhabit some lakes, like Orel Lake above Nikolaevsk. Also in the Ussuri and Sungari, China. Four populations are recognized in the Amur River basin: one lives in the estuary and coastal brackish waters of the Sea of Okhotsk and Sea of Japan, second is found in the lower Amur, third in the middle Amur, and fourth in the lower reaches of the Zeya and Bureya rivers in the Russian river banks. Two ecological morphs are present in the estuary population, the freshwater and the brackish water forms.

Kaluga (Huso dauricus)
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General data

Classification

Description

Catches

Taxonomy of Fishes

Kaluga (Huso dauricus)Follow

General data

Classification

Description

Catches

Taxonomy of Fishes

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Kaluga (Huso dauricus)
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