No detailed citation.
Species | Development state | Trait | Primary Data | Secondary Data |
Micropterus salmoides | Egg | Incubation time | 2 at 22°C; 5 at 19°C | 2.0 days |
Micropterus salmoides | Egg | Temperature for incubation | A temperature of 12°C is lethal, and lesser hatch occurred between 12-15°C; 17-20 in natural conditions | 13.5 °C |
Micropterus salmoides | Egg | Degree-days for incubation | 50-100 | 75.0 °C * day |
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 | Female | Length at sexual maturity | 26 | 26.0 cm |
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 | Female | Absolute fecundity | 2-81.582 [more detailled] | 41.79 thousand eggs |
Micropterus salmoides | Male | Age at sexual maturity | At least two years | 2.0 years |
Micropterus salmoides | Male | Length at sexual maturity | 26 | 26.0 cm |
Micropterus salmoides | Male | Male sexual dimorphism | In the male, the genital papilla is usually conical (swollen)and red in color | Absent |
Micropterus salmoides | Spawning conditions | Spawning season | Late April to July (in Minnesota) | ['April', 'May', 'June', 'July'] |
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 | 8.0 m |
Micropterus salmoides | Spawning conditions | Spawning substrate | Nesting substrates vary from sand or gravel bottoms, to organic debris and mats of needle rush | Lithophils |
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 release | Multiple spawning periods have been observed during one spawning season | Multiple |
Micropterus salmoides | Spawning conditions | Spawning release | A female may spawn in more than one nest | No category |