US Fish and Wildlife Service, Northern Snakehead (Channa argus): Ecological Risk Screening Summary. Washington, DC: US Department of the Interior. 2017.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Channa argus | Egg | Egg size after water-hardening | 2.00 | 2.0 mm |
| Channa argus | Egg | Egg adhesiveness | Non-adhesive | Non-Adhesive |