A study recently published in the Journal of Applied Ichthyology has turned up some interesting ideas on sturgeon, one of the oldest and largest fish fish species in North America. Anglers who have been around these prehistoric fish may have noticed that sturgeon are vocal creatures and will occasionally produce a faint drumming sound called "sturgeon thunder." Although researchers are still unsure exactly how the fish produce these low-frequency sounds, they are now being compared to similar behaviors by animals...
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