RM2GF2NXY–striped ruffe, schraetzer, Danube ruffe (Gymnocephalus schraetzer, Gymnocephalus schraetser), larva four days after hatching, Germany
RM2C69M3J–striped ruffe, schraetzer, Danube ruffe (Gymnocephalus schraetzer, Gymnocephalus schraetser), male and female with nuptial colouration at spawning place
RM2G7GTXY–striped ruffe, schraetzer, Danube ruffe (Gymnocephalus schraetzer, Gymnocephalus schraetser), two females ready for spawning with a male, Germany
RM2G5T6KC–striped ruffe, schraetzer, Danube ruffe (Gymnocephalus schraetzer, Gymnocephalus schraetser), female spawner and milkner shortly before spawning in
RM2T4CDMD–striped ruffe, schraetzer, Danube ruffe (Gymnocephalus schraetzer, Gymnocephalus schraetser), 2 month after the first food intake, side view