Billard, 1996


Citation

Billard, R. (1996) Reproduction of pike: gametogenesis, gamete biology and early development., pp.

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Esox masquinongy Egg Egg size after water-hardening 2.5-3.3 2.9 mm
Esox lucius Larvae Onset of exogeneous feeding 150-160 155.0 °C * day
Esox lucius Female Age at sexual maturity 2-3 [Sometimes up to 5-6] 2.5 year
Esox lucius Female Length at sexual maturity 25.7-50.8 [Entire range] 38.25 cm
Esox lucius Female Female sexual dimorphism In the female, there is a protuberance between the urogenital pore and the anus which does not exist in the male Present
Esox lucius Female Relative fecundity 19-33 26.0 thousand eggs/kg
Esox lucius Female Absolute fecundity 6.0-233 [Full range for all sizes] 119.5 thousand eggs
Esox lucius Female Onset of oogenesis July-August ['July', 'August']
Esox lucius Female Intensifying oogenesis activity Increase regularly in the winter and then sharp increase in March-April ['January', 'February', 'March', 'April']
Esox lucius Female Maximum GSI value Almost 20% [Prior to spawning] 20.0 percent
Esox lucius Female Oogenesis duration 78 [From JulyAugust until March-April] 78.0 months
Esox lucius Female Resting period 3 months [June to end of August] 3.0 months
Esox lucius Female Resting period < 1% [June, July] 1.0 months
Esox lucius Male Age at sexual maturity 2-4 [Male, but sometimes 1] 3.0 years
Esox lucius Male Length at sexual maturity 26.3-46 [Male] 36.15 cm
Esox lucius Male Onset of spermatogenesis August ['August']
Esox lucius Male Main spermatogenesis activity September-October [Spermatogenesis occurs under decreasing photoperiod and in a temperature of 10-20°C] ['September', 'October']
Esox lucius Male Maximum GSI value 2.5 [Beginning of September then slighlty decline and remain at about 1.5% until spawning] 2.5 percent
Esox lucius Male Spermatogenesis duration The entire process of spermatogenesis is short about 2 months, from August to November 2.0 months
Esox lucius Male Resting period <0.2 [June-July] 3.0 months
Esox lucius Spawning conditions Spawning season May-June [Nothern latitudes], February-March [Southern latitudes] ['February', 'March', 'May', 'June']
Esox lucius Spawning conditions Spawning water type At the lake edge or in flooded river areas Stagnant water
Esox lucius Spawning conditions Spawning depth Shallow waters, maximum 50 cm 50.0 m
Esox lucius Spawning conditions Spawning release Ova are released in small batches of 5-60 many times over some distance, ensuring a wide distribution Multiple
Esox lucius Spawning conditions Parity Iteroparous Iteroparous