PWD’s Lance Butler with an invasive flathead catfish PWD Administrative Scientist Lance Butler holds a huge flathead catfish. NatureWater Supply Date Created 2009 Item Type ImagePhotograph Publisher Philadelphia Water Department Topics NatureWater Supply Subjects AnimalsFishingNatural EnvironmentWater Supply Keywords Fairmount DamFairmount Water Works Temporal Coverage 2009 (Known) Waterway Schuylkill River Watershed Schuylkill River Watershed Neighborhood All of Philadelphia Format (Medium) Photograph File Size243 kbImage Dimensions704 x 1000 px Collection Philadelphia Water Department Rights Holder Philadelphia Water Department