Crosier, 2005



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Mylopharyngodon piceus Spawning conditions Spawning substrate Bottom No category
Gymnocephalus cernuus Spawning conditions Spawning substrate Submerged plants, logs, branches, rocks Ambiguous
Mylopharyngodon piceus Spawning conditions Spawning temperature 26-30 28.0 °C
Gymnocephalus cernuus Spawning conditions Spawning temperature Spawning begins when temperature reach 6°C 6.0 °C
Gymnocephalus cernuus Spawning conditions Spawning depth Often moves from deep to shallow areas to spawn No data
Gymnocephalus cernuus Egg Egg adhesiveness Upon contact with water, eggs become adhesive and will attach to various substrates Adhesive
Gymnocephalus cernuus Egg Incubation time 5-12 [At 10-15°C] 8.5 days
Gymnocephalus cernuus Male Onset of spermatogenesis Male gonadal activity occurs during spring and autumn ['April', 'May', 'December', 'June', 'October', 'November']
Gymnocephalus cernuus Egg Degree-days for incubation 100-120 [5-12 at 10-15°C] 110.0 °C * day
Gymnocephalus cernuus Egg Temperature for incubation 10-15 12.5 °C
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 No category
Gymnocephalus cernuus 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] 0.835 mm
Mylopharyngodon piceus Female Absolute fecundity 129-1180 654.5 thousand eggs
Gymnocephalus cernuus Female Absolute fecundity 10-150 80.0 thousand eggs
Gymnocephalus cernuus Spawning conditions Spawning season Usually during April-July ['April', 'July']
Gymnocephalus cernuus Larvae Full yolk-sac resorption Active feeding and swimming occur within one week of hatching after the yolk-sac is absorbed No data
Gymnocephalus cernuus Larvae Onset of exogeneous feeding Feeding begins after about 1 week 1.0 °C * day
Gymnocephalus cernuus Larvae Initial larval size 3.5-4.4 3.95 mm
Gymnocephalus cernuus Larvae Larvae behaviour Remain sedentary for 3-7 days Demersal
Mylopharyngodon piceus Female Age at sexual maturity 6-11 [sex not specified] 8.5 year
Mylopharyngodon piceus Spawning conditions Spawning release In a single batch Mutliple
Gymnocephalus cernuus 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 Ambiguous
Mylopharyngodon piceus Spawning conditions Parity Once maturity has been reached, reproduction is capable of occuring annually No category