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At what age do paddlefishes begin breeding?

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Russian sturgeon (Acipenser gueldenstaedtii) — chondrostean Russian sturgeon (*Acipenser gueldenstaedtii*) swimming along the seafloor of the Black Sea.

Paddlefishes reach sexual maturity and begin breeding when they are seven or eight years old. They typically spawn during spring floods, after which the larvae hatch in approximately two weeks.1

Would you like to learn more about the life cycle of other chondrostean fish?