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| Species | Development state | Trait | Primary Data | Secondary Data |
| Perca fluviatilis | Egg | Egg size after water-hardening | Swollen egg (without jelly enveloppe, 50 min. after the fertilization) measured 1.25 mm on the average | 1.25 mm |
| Perca fluviatilis | Egg | Temperature for incubation | Incubated at 14 [The best and longest larvae originate from eggs incubated in 12-16°C] | 14.0 °C |
| Perca fluviatilis | Egg | Degree-days for incubation | This study: 126 [At 14°C] [The number of thermal untis (D°) from egg fertilization to hatching varies within a surprisingly wide range (if one is to believe different authors) from 90 through 175 at 12-14°C, to as many as 223 and 195] | 13.0 °C * day |
| Perca fluviatilis | Larvae | Initial larval size | Length of the hatchlings was 3.5 mm on the average [Other studies: newly hatched perch larvae are from 4 to 5.3 mm long, also described at 6.5 mm and 3-6] | 4.5 mm |
| Perca fluviatilis | Female | Age at sexual maturity | 3-4 [Female], but also 2-4 | 3.5 year |
| Perca fluviatilis | Female | Absolute fecundity | 12-300 depedning on female | 156.0 thousand eggs |
| Perca fluviatilis | Male | Age at sexual maturity | Sexual maturity is attained by perch males at the age of 2-3 years, but also 1-3 | 2.5 years |
| Perca fluviatilis | Spawning conditions | Spawning season | Spawnings in natural conditions in early spring, commecing from March in south regions and from June in the north | ['March', 'April', 'May', 'June'] |
| Perca fluviatilis | Spawning conditions | Spawning substrate | Bottom overgrown with a variety of submerged plants, and with patches of emergent vegetation. Underwater sandy and gravel bottom elevations are also preferred by this fish | Lithophils |