What does anadromous mean?

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Prepare for the Academic Decathlon Science Test with our quiz. Enhance your knowledge with multiple choice questions and comprehensive explanations. Gear up for your success!

Multiple Choice

What does anadromous mean?

Explanation:
Anadromous describes fish that migrate from saltwater to freshwater to spawn. They spend their early life growing in the ocean, then swim back into rivers or streams to reproduce. A well-known example is salmon: they hatch in rivers, mature in the ocean, and return to freshwater to lay eggs. This movement pattern contrasts with catadromous species, which move from freshwater to saltwater to spawn.

Anadromous describes fish that migrate from saltwater to freshwater to spawn. They spend their early life growing in the ocean, then swim back into rivers or streams to reproduce. A well-known example is salmon: they hatch in rivers, mature in the ocean, and return to freshwater to lay eggs. This movement pattern contrasts with catadromous species, which move from freshwater to saltwater to spawn.

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