Orrell, T. M., & Weigt, L. 2005. The Northern Snakehead Channa argus (Anabantomorpha: Channidae), a non-indigenous fish species in the Potomac River, USA. Proceedings of the Biological Society of Washington, 118(2), 407-415.

Orrell, T. M., & Weigt, L. 2005. The Northern Snakehead Channa argus (Anabantomorpha: Channidae), a non-indigenous fish species in the Potomac River, USA. Proceedings of the Biological Society of Washington, 118(2), 407-415.