Mobile Lifestyle and Prolific Reproduction
Due to high-volume reproduction and a floating microscopic juvenile stage, zebra and quagga mussels can be unknowingly transported or travel passively downstream.
- Microscopic juvenile zebra mussels are called veligers and they float freely during this life stage that lasts for roughly three weeks.
- The mussels also reach sexual maturity at one or two years of age and live for three to nine years.
- They may have numerous spawning cycles per year if the water temperature is above a minimum of 12ºC (zebra) or 9ºC (quagga) - 54ºF and 48ºF respectively.
- Females of both species can produce between 30,000 and 40,000 eggs per spawning cycle. Due to this rapid reproduction.