Sullivan, C.V. and Berlinsky, D.L. and Hodson, R.G. (1997) Chapter 2 Reproduction., pp. 11-73
Species | Development state | Trait | Primary Data | Secondary Data |
Morone americana | Female | Oocyte development | Group-synchronous, multiple clutch [Simultaneously recruit several batches of oocytes for repeated spawing events during a brief annual spawning season] | Group-synchronous |
Morone chrysops | Female | Oocyte development | Group-synchronous, multiple clutch [Simultaneously recriut several batches of oocytes for repeated spawing events during a brief annual spawning season] | Group-synchronous |
Morone saxatilis | Larvae | Temperature during larval development | 16-17 is around the optimal for larval development and survival | 16.5 °C |
Morone saxatilis | Female | Age at sexual maturity | 3-5 | 4.0 year |
Morone saxatilis | Female | Oocyte development | Group-synchronous type, single clutch [One clutch of oocytes is recruited through development, maturation, and ovulation for the single annual spawning] | Group-synchronous |
Morone saxatilis | Female | Onset of oogenesis | Vitellogenesis may be initiated as early as late-September, but this could vary | ['September'] |
Morone saxatilis | Female | Onset of oogenesis | Initiate ovarian maturation near autumnal equinox | ['October', 'November', 'December'] |
Morone saxatilis | Female | Intensifying oogenesis activity | There is a surge in oocyte growth and circulating levels of sex steroids around the vernal equinox | No data |
Morone saxatilis | Male | Age at sexual maturity | 3 [Male] | 3.0 years |
Morone saxatilis | Spawning conditions | Spawning season | Occurs primarily in April and May | ['April', 'May'] |
Morone saxatilis | Spawning conditions | Spawning period duration | Males remain on the spawning grounds for as long as 30 days while females spend about 7-10 days there | 8.5 weeks |
Morone saxatilis | Spawning conditions | Spawning temperature | Around 16-17 | 16.5 °C |
Morone saxatilis | Spawning conditions | Spawning depth | Release gametes at the water surface | No data |
Morone saxatilis | Spawning conditions | Nycthemeral period of oviposition | It remains unclear whether spawning occurs predominantly during the day or the night | Day |
Morone saxatilis | Spawning conditions | Mating system | Spawning can involve multiple males and more than one female, but it is characterized by one female and many males releasing gametes at the water surface [Once a group of males has spawned, they will continue to chase the spent female or court the next available one] | Polyandry |
Morone saxatilis | Spawning conditions | Spawning release | Once, single clutch. Females releases one long continuous cloud of eggs for less than ten seconds, sometimes another (minor) synchronous gamete release can be observed | Total |