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Alligatorweed
(Alternanthera philoxeroides)
Found an invasive species? Register for a free login account, or submit a public report.
Flathead Catfish
Photo credit: Eric Engbretson, US Fish and Wildlife Service, Bugwood.org
(Pylodictis olivaris)
Report this Species!
If you believe you have found this species in its invasive range in Pennsylvania, please report your findings to iMapInvasives by submitting an observation record.
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Already a registered user? Login to submit your observation.
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Not a registered user? Submit a public report.
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Watch our training video to learn how to submit an observation record (as a registered user).
Species at a Glance
Learn more about the Flathead catfish and its impacts by viewing information available in our Gallery of Invaders.
Range Information
The map below depicts both the native and invasive ranges of Flathead catfish in Pennsylvania, displayed using a HUC 12 watershed layer.
Data used to create this map was provided by Pennsylvania's Field Guide to Aquatic Invasive Species (2015).
Native range
Invasive range
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