Toner and Lawler, 1969


No detailed citation.

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Esox lucius Egg Oocyte diameter 2.3-2.4 [Before fertilization] 2.35 mm
Esox lucius Egg Egg size after water-hardening 2.6-2.7 [After fertilization] 2.65 mm
Esox lucius Egg Egg Buoyancy Demersal [Sink after extrusion] Demersal
Esox lucius Egg Degree-days for incubation 120 [10 days at 12°C] 120.0 °C * day
Esox lucius Larvae Initial larval size 6.5-7.5, but also 8.0-9.0 7.0 mm
Esox lucius Female Age at sexual maturity 2-3 [Sex specified] 2.5 year
Esox lucius Female Length at sexual maturity 41.5 [The samllest maturing female is 25.7 cm] 25.7 cm
Esox lucius Female Absolute fecundity 28-226 127.0 thousand eggs
Esox lucius Spawning conditions Spawning depth Prefer to spawn in 50 cm of water or less, and most spawn in 25 cm with a minimum of 5 to 7 cm 50.0 m
Esox lucius Spawning conditions Spawning substrate Presence of plants [Usual substrata are old leaves and trees] Phytophils
Esox lucius Spawning conditions Nycthemeral period of oviposition During the hours of daylight Day
Esox lucius Spawning conditions Spawning release Each individual of both sex perfoms the spawning act only once annually Total
Esox lucius Spawning conditions Parental care Not any parental care No care