Fisheries Photos

Led by Dr. David Keller, the Fisheries Lab applies ecological principles to solve problems centered around fish conservation, invasive species and human impacts. The lab uses proven and cutting-edge techniques to find solutions for improved resource management and decision making.

A group of people walking on a river.
Fisheries staff measuring fish habitat on the Susquehanna River, Pennsylvania, USA.
Photo Credit: David Keller

A group of scientists walking through a stream, collecting scientific samples.
Fisheries staff backpack electrofishing to collect fish and assess relationships with forest cover in the Appalachian Mountains, USA.
Photo Credit: David Keller

A group of scientists collecting samples by the side of a muddy river.
Fisheries staff seining to collect fish and assess relationships with water management in the Neches River, Texas, USA.
Photo credit: Timberly Palmer

A group of people snorkeling in a river.
Fisheries staff conducting a snorkel survey to conserve an endangered species in the Upper Delaware River, USA.

Two scientists seining in a river with a net.
Fisheries staff seining to collect fish and assess industry impacts in an estuary on the Texas Gulf Coast, USA.
Photo credit: Timberly Palmer

A scientist standing on a boat along the schuylkill river.
Fisheries staff boat electrofishing to assess migratory and invasive fish near Boathouse Row on the Schuylkill River, Philadelphia, Pennsylvania, USA.