Clugston, J.P. and Cooper, E.L., 1960. Growth of the common eastern madtom, Noturus insignis in central Pennsylvania. Copeia, 1960(1), pp.9-16.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Noturus insignis | Egg | Egg size after water-hardening | 4.0 | 4.0 mm |
| Noturus insignis | Egg | Incubation time | 10.0 | 10.0 days |