1. Siberian Sturgeon (Acipenser baerii): Known for their large size and prized for their meat and caviar.
2. Sterlet Sturgeon (Acipenser ruthenus): Smaller in size compared to the Siberian Sturgeon and valued for its caviar and meat.
Salmon:
1. Atlantic Salmon (Salmo salar): This anadromous fish migrates from the Arctic Ocean to the Ob River to spawn.
2. Taimen (Hucho taimen): A large salmonid fish native to Siberia, known for its fighting spirit and size.
Whitefish:
1. Common Whitefish (Coregonus lavaretus): Abundant in the Ob River, they're an essential commercial and subsistence species.
2. European Cisco (Coregonus albula): Another widespread whitefish species found in the Ob River.
Arctic Cisco:
1. Inconnu (Stenodus leucichthys): A whitefish species found only in northern regions, including the Ob River. They are renowned for their unique taste and large size.
Pike:
1. Northern Pike (Esox lucius): A widespread predatory pike found in the Ob River and valued for its meat.
Others:
- Burbot (Lota lota): A freshwater cod species found in the Ob River.
- Perch (Perca fluviatilis): A common species of freshwater fish found throughout the Ob River and its tributaries.
- Roach (Rutilus rutilus): A cyprinid fish that's widespread in the Ob River.
- Ide (Leuciscus idus): Another cyprinid fish found in the river system.
- Wels catfish (Silurus glanis): A large catfish species occasionally found in the Ob River.
It's worth noting that the exact composition of fish species may vary in different parts of the Ob River and may be influenced by factors like water temperature, location, and human activities. This list represents some of the predominant fish species based on available information.
