Nikolsky's Grayling
NameNikolsky's Grayling
Scientific NameThymallus nikolskyi
Common NamesNikolsky's Grayling
FamilySalmonidae
OriginEastern Asia, Amur River Basin, Russia, China
Temperamentsemi-aggressive
Dietcarnivore
Care Levelexpert
Minimum Tank Size (Gallons)150
Max Size (Inches)20
Water TypeFreshwater
Temperature Range (°F)40-65
pH Range7.0-8.0
Compatible SpeciesLarger coldwater minnows, Other large, peaceful coldwater river fish
Description
Nikolsky's Grayling (*Thymallus nikolskyi*) is a coldwater salmonid fish native to the Amur River basin in Eastern Asia. It is characterized by its large, sail-like dorsal fin and iridescent scales, thriving in clear, fast-flowing rivers. This species is a carnivore, feeding primarily on aquatic insects and small fish, and requires highly specialized conditions for survival.
