Guill, J.M. and Heins, D.C., 1996. Clutch and egg size variation in the banded darter, Etheostoma zonale, from three sites in Arkansas. Environmental Biology of Fishes, 46(4), pp.409-413.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Etheostoma zonale | Egg | Oocyte diameter | 1.34-1.49 | 1.42 mm |