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Adult sturgeon begin spawning during the spring and early summer months and when water temperatures range between 14 to 15ºC (58-60ºF). They prefer sites based on substrate, water velocity, depth and turbidity. One or more male sturgeon releases sperm as one female sturgeon broadcasts her eggs in the water. Females spawn every 4 to 5 years, and only when the conditions are favorable. If the temperature is not right, she will reabsorb her eggs and misses spawning for that year.
(UCWSRI photo)
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