Biologists tagged an 87-pound paddlefish in 2007; 18 years later, the fish weighed 98 pounds

A paddlefish that North Dakota biologists tagged in two thousand seven was recaught by an angler after eighteen years. The fish had grown from eighty-seven pounds to ninety-eight pounds and gained three inches in length, according to Times of India. This recapture gives scientists rare long-term data on fish survival and migration patterns, demonstrating why sustained tagging programs are essential for conservation.

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