Schraetzer
NameSchraetzer
Scientific NameGymnocephalus schraetser
Common NamesSchraetzer, Danube ruffe
FamilyPercidae
OriginEurope, Danube River Basin
Temperamentsemi-aggressive
Dietcarnivore
Care Leveladvanced
Minimum Tank Size (Gallons)75
Max Size (Inches)12
Water TypeFreshwater
Temperature Range (°F)60-72
pH Range7.0-8.0
Compatible SpeciesLarger robust cyprinids, Other large, cool-water tolerant fish, Similar sized European perches (with caution)
Description
The Schraetzer is a distinctive European freshwater fish belonging to the perch family, characterized by its elongated body, prominent spiny dorsal fin, and mottled coloration. Native to the Danube River basin, it is a predatory species that thrives in cool, clear, and well-oxygenated waters. Due to its specific environmental needs and size, it is considered an advanced species for specialized aquarists.
