Upper Yenisei Grayling
NameUpper Yenisei Grayling
Scientific NameThymallus pallasii
Common NamesUpper Yenisei Grayling, Pallas's Grayling, East Siberian Grayling
FamilySalmonidae
OriginYenisei River Basin, Siberia, Russia
Temperamentpeaceful
Dietomnivore
Care Leveladvanced
Minimum Tank Size (Gallons)180
Max Size (Inches)24
Water TypeFreshwater
Temperature Range (°F)40-65
pH Range6.5-7.5
Compatible SpeciesOther large coldwater fish, Large minnows, Sculpins
Description
The Upper Yenisei Grayling is a striking coldwater fish known for its exceptionally large, sail-like dorsal fin, often adorned with colorful spots. Native to the pristine, oxygen-rich waters of the Yenisei River basin, it is a prized species for anglers and requires specialized care in captivity due to its specific environmental needs. This species thrives in cool, highly oxygenated environments.
