Skip to content
A flathead catfish sitting on top of a boat

The Flathead Catfish is at the top of many “least wanted” invasive species lists because of its large size, carnivorous feeding habits, large size, long life span, adaptability, and ability to swim long distances in a short time. It has been widely introduced into Atlantic Slope drainages and is impacting ecosystems in the eastern portion of Pennsylvania as well as the Great Lakes.

Join Our Newsletter

Keep up with the latest news and events by signing up below.


By submitting this form, you are consenting to receive marketing emails from Sea Grant Pennsylvania. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.