Not bred in garden ponds. In the wild it spawns over gravel in fast, deep, oxygen-rich river channels and does not spawn every year; pond fish come from fish farms.
Mature adults on a sturgeon farm.
Large raceways and hatcheries.
Hormone and temperature stimulus.
Thousands to tens of thousands of sticky eggs scattered on gravel; they hatch in about 5-10 days at 10-15°C.
Fry take brine shrimp then pellets.
No obvious external differences between the sexes.