Thomas, J.L. and Kilambi, R.V., 1981. Maturation, spawning period, and fecundity of the white crappie, Pomoxis annularis Rafinesque, in Beaver Reservoir, Arkansas. Journal of the Arkansas Academy of Science, 35(1), pp.70-73.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Pomoxis annularis | Egg | Oocyte diameter | 0.58-1.02 : "Coalescence of yolkglobules (Mature ova).0.58- 1.02 mm." | 0.8 mm |