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 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 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 Maximum GSI value Almost 20% [Prior to spawning] 20.0 percent
Esox lucius Male Onset of spermatogenesis August ['August']
Esox lucius Female Oogenesis duration 78 [From JulyAugust until March-April] 78.0 months
Esox lucius Female Relative fecundity 19-33 26.0 thousand eggs/kg
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 Female Age at sexual maturity 2-4 [Male, but sometimes 1] 3.0 years
Esox lucius Female Resting period 3 months [June to end of August] 3.0 months
Esox lucius Male Main spermatogenesis activity September-October [Spermatogenesis occurs under decreasing photoperiod and in a temperature of 10-20°C] ['October', 'September']
Esox lucius Female Onset of oogenesis July-August ['August', 'July']
Esox masquinongy Egg Egg size after water-hardening 2.5-3.3 2.9 mm
Esox lucius Female Intensifying oogenesis activity Increase regularly in the winter and then sharp increase in March-April ['February', 'April', 'March', 'January']
Esox lucius Male Resting period <0.2 [June-July] 0.2 months
Esox lucius Male Spermatogenesis duration The entire process of spermatogenesis is short about 2 months, from August to November 2.0 months
Esox lucius Female Absolute fecundity 6.0-233 [Full range for all sizes] 119.5 thousand eggs
Esox lucius Spawning conditions Spawning season May-June [Nothern latitudes], February-March [Southern latitudes] ['February', 'March', 'May', 'June']
Esox lucius Female Length at sexual maturity 25.7-50.8 [Entire range] 38.25 cm
Esox lucius Larvae Onset of exogeneous feeding 150-160 155.0 °C * day
Esox lucius Male Length at sexual maturity 26.3-46 [Male] 36.15 cm
Esox lucius Female Age at sexual maturity 2-3 [Sometimes up to 5-6] 2.5 year
Esox lucius Spawning conditions Spawning release Ova are released in small batches of 5-60 many times over some distance, ensuring a wide distribution Mutliple
Esox lucius Spawning conditions Parity Iteroparous Iteroparous