TZILKOWSKI, C.J. and STAUFFER JR, J.R., 2004. Biology and diet of the northern madtom (Noturus stigmosus) and stonecat (Noturus flavus) in French Creek, Pennsylvania. Journal of the Pennsylvania Academy of Science, pp.3-11.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Noturus flavus | Egg | Oocyte diameter | 1.47-2.49 | 1.98 mm |