Amur

The Amur River () or Heilong River () is a perennial river in Northeast Asia, forming the natural border between the Russian Far East and Northeast China (historically the Outer and Inner Manchuria). The Amur proper is long, and has a drainage basin of . If including its main stem tributary, the Argun, the Amur is long, making it the world's tenth longest river.

Nikolayevsk-on-Amur () is a town in Khabarovsk Krai, Russia located on the Amur River close to its liman in the Pacific Ocean. Population: 17,815 (2024);

species of mammal

species of fish

species of fish