Hungry flathead catfish are changing everything in the Susquehanna

ScienceDaily
Sep 9, 2025, 6:54 pm120 ptsTrending
Flathead catfish are rapidly reshaping the Susquehanna River’s ecosystem. Once introduced, these voracious predators climbed to the top of the food chain, forcing native fish like channel catfish and bass to shift diets and habitats. Using stable isotope analysis, researchers uncovered how the invaders…

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