Hayes, D.B. and Taylor, W.W. (1994) Changes in the composition of somatic and gonadal tissues of yellow perch following white sucker removal. Trans. Am. Fish. Soc., pp. 204-216
| Species | Development state | Trait | Primary Data | Secondary Data |
| Perca flavescens | Female | Onset of oogenesis | Late August until immediately before spawning, increase gradually | ['August'] |
| Perca flavescens | Female | Maximum GSI value | 21.6-22.6 | 22.1 percent |
| Perca flavescens | Female | Resting period | Late April to August | 6.0 months |
| Perca flavescens | Female | Resting period | 1% (After the spawning, GSI remain low from May trought August) | 1.0 months |