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U.S. Fish & Wildlife Service
Return to Mid-Atlantic Fish and Wildlife Conservation Office

Projects and Research

Updated May 7, 2026

In our efforts to protect the Susquehanna River and Delaware River basins and their species, we facilitate fish passages which allow upstream passage to several species that inhabit these areas. Check out our fish passages to learn more! 

Susquehanna River Fish Passage

Weekly fish passage counts at Susquehanna River Fish Passage Facilities

Susquehanna River American Eel Passage

Weekly counts of young American eels captured in the lower Susquehanna River

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Projects and Research of Mid-Atlantic Fish and Wildlife Conservation Office | U.S. Fish & Wildlife Service