Ice shacks are up and holes are being cut on Lake Winnebago as fishermen get ready for the 2025 Sturgeon Season opener on ...

The green sturgeon (Acipenser medirostris ... with a clear pattern of spring in-migration and bimodal out-migration during late spring and fall months. The findings suggest that river discharge ...

The San Francisco Bay-Delta and Sacramento-San Joaquin river system are home to a rare, enormous species of living fossil called the green sturgeon. The ancient fish has survived unchanged for almost ...