Johnston, 2007



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Sander vitreus Egg Egg adhesiveness Soon after fertilization the eggs were treated with a weak tannic acid solution to reduce adhesion and rinsed twice. Water was then added gradually and eggs were stirred with a feather occasionally to further reduce adhesion Non-Adhesive
Sander vitreus Egg Temperature for incubation Incubated in seperate chambers at 12°C 12.0 °C
Sander vitreus Spawning conditions Spawning season Ripe ova were collected from individual females on 5 May and 6 May ['May']
Sander vitreus Female Length at sexual maturity Fork length, population of Manitoba 625 +/-15, and Ontario 663 +/-12 625.0 cm
Sander vitreus Larvae Initial larval size 8.53 +/- 0.05 mm at hatching 8.53 mm
Sander vitreus Female Age at sexual maturity Females ranged in age from 5 to 18 years, and from 6 to 18 years in the Lake Manitoba and Lake Ontario trials. For both populations, this age range covered the majority of spawning females seen in recent spawning runs 5.0 year