Lappaleinen et al, 2003


Citation

No detailed citation.

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Sander lucioperca Egg Oocyte diameter 0.7-0.85 [Unswollen eggs] 0.77 mm
Sander lucioperca Egg Egg size after water-hardening 0.8-1.67 [Swollen] 1.23 mm
Sander lucioperca Egg Egg adhesiveness Adhesive [Agglutinative and are attached on the ground or plant roots] Adhesive
Sander lucioperca Egg Temperature for incubation 12-16 is the optimum [At 20, the number of normal hatched larvae decreased; Incubation temperature must stay below 20°C to avoid deformities] 14.0 °C
Sander lucioperca Larvae Initial larval size 4.5-5.5 but some at 7.0 (?) 5.0 mm
Sander lucioperca Female Age at sexual maturity 3-6 [Sex specified] 4.5 year
Sander lucioperca Female Length at sexual maturity 28-36 32.0 cm
Sander lucioperca Female Weight at sexual maturity 0.270-0.870 0.57 kg
Sander lucioperca Female Relative fecundity From 48 to 467 [Extreme values], average values are 150-400 275.0 thousand eggs/kg
Sander lucioperca Female Oocyte development Synchronous oocyte growth Synchronous
Sander lucioperca Female Intensifying oogenesis activity Ovary growth takes place during the coolest season when the body growth ceases No data
Sander lucioperca Female Maximum GSI value Can reach 22 [Before spawning] 22.0 percent
Sander lucioperca Male Age at sexual maturity 2-4 3.0 years
Sander lucioperca Male Length at sexual maturity 28-39 33.5 cm
Sander lucioperca Male Weight at sexual maturity 0.255-0.610 0.43 kg
Sander lucioperca Spawning conditions Spawning migration distance Distances in spawning migrations are relatively short, less than 35 km (but sometimes 250 km in brackish waters) 35.0 km
Sander lucioperca Spawning conditions Spawning migration period Begin 1 month prior to the actual spawning No data
Sander lucioperca Spawning conditions Homing Homing of pikeperch to a certain spawning area is well developped based on tagging experiment Present
Sander lucioperca Spawning conditions Spawning period duration 2-6 with a mean of 26 days [Males arrive first at the spawning grounds and are followed by females] 4.0 weeks
Sander lucioperca Spawning conditions Spawning temperature Most at 8-16°C [But could start at 3-4°C and last until 24°C] 12.0 °C
Sander lucioperca Spawning conditions Spawning water type Shallow inlets and bays, bays sheltered by islands, river outlets No category
Sander lucioperca Spawning conditions Spawning depth Most at 1-3 m, but sometimes at 8 m 2.0 m
Sander lucioperca Spawning conditions Spawning substrate Sandy or gravel bottoms, but rarely on submerged plants Lithophils
Sander lucioperca Spawning conditions Spawning site preparation In the spawning ground, males build nests by cleaning it from mud. The nest has a dimaeter of 0.5 m and depth of a depth of 5-10 cm [Sometimes nest contains plant roots and other plant material] No category
Sander lucioperca Spawning conditions Nycthemeral period of oviposition During night or early in the morning Day
Sander lucioperca Spawning conditions Mating system Monogamous, by pair [The actual spawning lasts only 30-40 min, of which 20-25 min is considered courtship and during the last 10-15 min female lay eggs] Monogamy
Sander lucioperca Spawning conditions Spawning release Annual spawning Total
Sander lucioperca Spawning conditions Spawning release Lays all the eggs at one time No category
Sander lucioperca Spawning conditions Parental care Males guards the eggs anf fans clean water over them. After spawning, the male chases the female away from the nest, and are very agreesive and attacks if thretened Male parental care