Stanley, J.G. and Danie, D.S. (1983) Species profiles: life histories and enviromental requirements of coastal fishes and invertebrates. (North Atlantic) White perch.
Fish and Wildlife Service
Species | Development state | Trait | Primary Data | Secondary Data |
Morone americana | Egg | Oocyte diameter | 0.7-0.89 [Unfertilized egg] | 0.79 mm |
Morone americana | Egg | Egg size after water-hardening | 0.65-1.09 [Fertilized egg], water hardening is complete within 15 to 20 min at 18°C | 0.87 mm |
Morone americana | Egg | Egg Buoyancy | When laid, eggs are demersal | Demersal |
Morone americana | Egg | Egg adhesiveness | The eggs attach immediatly to substrate | Non-Adhesive |
Morone americana | Egg | Incubation time | 2-4 [30 hr at 20°C, 44 to 50 hr at 18°C, 60-72 hr at 15°C] | 3.0 days |
Morone americana | Egg | Temperature for incubation | 15-20 [Lethal temperature below 7°C, and extensive mortality at 10°C] | 17.5 °C |
Morone americana | Egg | Degree-days for incubation | 24-50 [30 hr at 20°C, 44 to 50 hr at 18°C, 60-72 hr at 15°C] | 37.0 °C * day |
Morone americana | Larvae | Initial larval size | 1.7-3.0 | 2.35 mm |
Morone americana | Larvae | Larvae behaviour | Newly hatched prolarvae remain in the general spawning area during the first 4 to 13 days [Prolarvae have limited mobility] | Demersal |
Morone americana | Female | Age at sexual maturity | Most females mature at 2, some at 3 and all at 4 | 2.0 year |