Thomas, M.R. and Burr, B.M., 2004. Noturus gladiator, a new species of madtom (Siluriformes: Ictaluridae) from Coastal Plain streams of Tennessee and Mississippi. Ichthyological Exploration of Freshwaters, 15(4), pp.351-368.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Noturus stigmosus | Egg | Egg size after water-hardening | 2.00 | 2.0 mm |
| Noturus stigmosus | Egg | Egg size after water-hardening | 3.00-3.40 | 3.2 mm |