Newburg, 1975



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Micropterus salmoides Spawning conditions Spawning substrate Nesting substrates vary from sand or gravel bottoms, to organic debris and mats of needle rush Ambiguous
Micropterus salmoides Spawning conditions Spawning site preparation Little nesting will be observed before water temperatures average 15.5 No category
Micropterus salmoides Spawning conditions Spawning temperature 15.5-20 (the last most successful or ideal temperature) 17.75 °C
Micropterus salmoides Spawning conditions Spawning depth Range from 30 cm to 8 m but mainly in less than one meter 30.0 m
Micropterus salmoides Female Female sexual dimorphism Female have a pear-shaped or elliptical opening, also gravid female can be recognized by the distended belly and inflamented vent prior to spawning Absent
Micropterus salmoides Male Male sexual dimorphism In the male, the genital papilla is usually conical (swollen)and red in color Absent
Micropterus salmoides Egg Incubation time 2 at 22°C, 5 at 19°C 2.0 days
Micropterus salmoides Female Age at sexual maturity At least two years No data
Micropterus salmoides Egg Degree-days for incubation 50-100 75.0 °C * day
Micropterus salmoides Egg Temperature for incubation A temperature of 12°C is lethal, and lesser hatch occured between 12-15°C, 17-20 in natural conditions 13.5 °C
Micropterus salmoides Female Absolute fecundity 2-81.582 [more detailled] 41.791 thousand eggs
Micropterus salmoides Spawning conditions Spawning season Late April to July (in Minnesota) ['April', 'July']
Micropterus salmoides Female Length at sexual maturity 26 26.0 cm
Micropterus salmoides Male Length at sexual maturity 26 26.0 cm
Micropterus salmoides Larvae Initial larval size 3-5 4.0 mm
Micropterus salmoides Female Age at sexual maturity At least 2 years 2.0 year
Micropterus salmoides Spawning conditions Spawning release Multiple spawning periods have been observed during one spawning season Mutliple