Vives, S.P., 1987. Aspects of the life history of the slender madtom Noturus exilis in northeastern Oklahoma (Pisces: Ictaluridae). American Midland Naturalist, pp.167-176.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Noturus exilis | Egg | Egg size after water-hardening | 4.47 | 4.47 mm |
| Noturus exilis | Egg | Egg size after water-hardening | 3.80-4.90 | 4.35 mm |
| Noturus exilis | Egg | Oocyte diameter | 2.94 | 2.94 mm |
| Noturus exilis | Egg | Oocyte diameter | 2.48 | 2.48 mm |
| Noturus exilis | Egg | Oocyte diameter | 2.83 | 2.83 mm |