Crosier et al, 2005


Citation

No detailed citation.

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Mylopharyngodon piceus Egg Egg size after water-hardening 5.6 [Eggs swell four to five fold during hydratation] 5.6 mm
Mylopharyngodon piceus Egg Egg Buoyancy Bathypelagic and carried by currents Pelagic
Mylopharyngodon piceus Female Age at sexual maturity 6-11 [sex not specified] 8.5 year
Mylopharyngodon piceus Female Absolute fecundity 129-1180 654.5 thousand eggs
Mylopharyngodon piceus Spawning conditions Spawning temperature 26-30 28.0 °C
Mylopharyngodon piceus Spawning conditions Spawning substrate Bottom No category
Mylopharyngodon piceus Spawning conditions Spawning release In a single batch Multiple
Mylopharyngodon piceus Spawning conditions Parity Once maturity has been reached, reproduction is capable of occuring annually No category
Gymnocephalus cernua Egg Oocyte diameter 0.34-1.33 [Eggs from first batch are larger 0.90-1.21, and second batch are smaller 0.36-0.47 mm] 0.41 mm
Gymnocephalus cernua Egg Egg adhesiveness Upon contact with water, eggs become adhesive and will attach to various substrates Adhesive
Gymnocephalus cernua Egg Incubation time 5-12 [At 10-15°C] 8.5 days
Gymnocephalus cernua Egg Temperature for incubation 10-15 12.5 °C
Gymnocephalus cernua Egg Degree-days for incubation 100-120 [5-12 at 10-15°C] 110.0 °C * day
Gymnocephalus cernua Larvae Initial larval size 3.5-4.4 3.95 mm
Gymnocephalus cernua Larvae Larvae behaviour Remain sedentary for 3-7 days Demersal
Gymnocephalus cernua Larvae Full yolk-sac resorption Active feeding and swimming occur within one week of hatching after the yolk-sac is absorbed No data
Gymnocephalus cernua Larvae Onset of exogeneous feeding Feeding begins after about 1 week 1.0 °C * day
Gymnocephalus cernua Female Absolute fecundity 10-150 80.0 thousand eggs
Gymnocephalus cernua Male Onset of spermatogenesis Male gonadal activity occurs during spring and autumn ['April', 'May', 'June', 'October', 'November', 'December']
Gymnocephalus cernua Spawning conditions Spawning season Usually during April-July ['April', 'July']
Gymnocephalus cernua Spawning conditions Spawning temperature Spawning begins when temperature reach 6°C 6.0 °C
Gymnocephalus cernua Spawning conditions Spawning depth Often moves from deep to shallow areas to spawn No data
Gymnocephalus cernua Spawning conditions Spawning substrate Submerged plants, logs, branches, rocks Phytophils
Gymnocephalus cernua Spawning conditions Spawning release Females may spawn two or more batches of eggs in a season, one in winter-spring and one later in summer. Spawnings occurs intermittently, with eggs being laid in two or more batches per year Multiple