catfish study area in the Susquehanna River basin (IMAGE)
Caption
The study area in the Susquehanna River basin, Pennsylvania, where flathead catfish were collected for dietary analysis. Shapes denote collection methods: diamonds represent high-frequency electrofishing, triangles represent hoop nets, circles represent low-frequency eiectrofishing and the square represents the fish lift at the Conowingo Dam.
Credit
Penn State
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Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND