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 …

2024年11月21日 · The kaluga sturgeon is a large, long-lived anadromous species found in the lower reaches of the Amur River of Russia and China. The kaluga sturgeon is listed as endangered throughout its range under the Endangered Species Act.

The kaluga (Huso dauricus), or river sturgeon, is a large sturgeon from the genus Huso. It is critically endangered and hunted for its caviar, just like the beluga. The kaluga has a triangular head with several bony plates. It has a small tail and scutes on its body. It …

2022年11月13日 · The Kaluga sturgeon is a large, carnivorous fish found throughout the Amur River basin in Russia and China. One of the most massive species in the sturgeon family, it is highly prized for its roe. As a result, they have been hunted almost to extinction and are listed as a Critically Endangered species by the IUCN.

Kaluga is a representative of the ancient fish family of sturgeons. Scientists believe that the sturgeon family originated more than 250 mil. years ago. 3 species of sturgeons occur in the Amur river basin: Kaluga or Great Siberian sturgeon (Huso dauricus), Amur sturgeon (Acipenser schrencki), and Sakhalin sturgeon (Acipenser mikadoi). They

The Kaluga Sturgeon is a benthic (bottom dwelling) species. Females reach sexual maturity at 14-23 years of age, carry an average of 41,400 eggs per kg of body weight and spawn every 4-5 years. Males mature at 14-21 years of age and spawn every 3-4 years.

2017年3月2日 · General biological characteristics and the contemporary status of the kaluga, Huso dauricus, and Amur sturgeon, Acipenser schrenckii, are described. Both inhabit the Amur River basin. Kaluga is the largest freshwater fish in this river system reaching more than 5.6 m in length and more than 1000 kg in weight.

2023年12月28日 · The Kaluga sturgeon is considered the largest freshwater fish in the world, as it can reach some 19.5 feet in length and almost one ton in weight. Its fusiform body is reinforced with five rows of hardened scales , one being dorsal, two being lateral, and two being ventral.

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. With a maximum size of at least 1,000 kg (2,205 lb) and 5.6 m (18 ft), the kaluga is …

Kalua sturgeons are absolutely massive, powerful (mostly) freshwater predators. Similar to beluga, in that they actively hunt, and different than most sturgeon for the same reason, these exceptional fish are some of the largest on earth.