No detailed citation.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Perca flavescens | Spawning conditions | Spawning period duration | The spawning period occured from the middle of May through the end of June | No data |
| Perca flavescens | Female | Maximum GSI value | The fecundity index gradually increased smoothly for all age classes from April to May reaching a value of 20-25% immediatly before spawning | 22.5 percent |
| Perca flavescens | Female | Age at sexual maturity | Except fot two age II females taken in the summern all fish older than age I were mature | No data |
| Perca flavescens | Female | Onset of oogenesis | In September, ovarian weights began to increase again and reached 4-5% of body weight for all age classes by mid-November, when the study was terminated | ['November', 'September'] |
| Perca flavescens | Spawning conditions | Spawning migration period | In early Paril, most perch were in deep water (24 m). As water temperatures increased from 2 to 4°C, the fish moved shoreward. By 21 May, water temperature had reached 6-7°C and migration of male perch into shallow water (6-12 km) occurred | ['May'] |
| Perca flavescens | Female | Absolute fecundity | Fecundity ranged from 10.654 eggs for an age II female (190 mm total length, 82g) to 157,594 eggs for an age VI fish (354 mm, 678 g) | 10.654 thousand eggs |
| Perca flavescens | Spawning conditions | Spawning season | The spawning period occured from the middle of May through the end of June | ['May', 'June'] |
| Perca flavescens | Female | Length at sexual maturity | Size of female at age 2 range from 9.9-16.2 | 13.05 cm |
| Perca flavescens | Male | Length at sexual maturity | Size of male at age 2 range from 9.9 to 15.9 | 2.0 cm |
| Perca flavescens | Female | Age at sexual maturity | Except fot two age II females taken in the summern all fish older than age I were mature | No data |