Kaluga (fish) | 水產百科網

Thekaluga(Husodauricus)isalargepredatorysturgeonfoundintheAmurRiverbasin.Alsoknownastheriverbeluga,theyareclaimedtobethelargest ...

Species of fish

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.

The kaluga has been hunted to near extinction for its valuable roe. Despite constant anti-poaching patrols, poachers still continue to catch the fish. Fishing for kaluga anywhere in the Amur River is an offense punishable by law. However, kalugas are known to have an aggressive nature, and instances o...