Williamson, J.H. and Carmichael, G.J. and Graves, K.G. and Simco, B.A. and Tomasso, J.R. (1993) Centrarchids., pp. 145-197
Species | Development state | Trait | Primary Data | Secondary Data |
Micropterus salmoides | Egg | Egg size after water-hardening | 1.5-2.5 | 2.0 mm |
Micropterus salmoides | Egg | Egg adhesiveness | Adhesive | Adhesive |
Micropterus salmoides | Egg | Incubation time | 2-4 (in natural conditions in Alabama) | 3.0 days |
Micropterus salmoides | Larvae | Initial larval size | 4 | 4.0 mm |
Micropterus salmoides | Female | Age at sexual maturity | May mature at 8 months in the southern U.S. | 8.0 year |
Micropterus salmoides | Female | Length at sexual maturity | 22-24 (in Southern US) | 23.0 cm |
Micropterus salmoides | Female | Female sexual dimorphism | The urogenital opening in female is elliptical or pearshaped, obviously distended and soft abdomen | Present |
Micropterus salmoides | Female | Absolute fecundity | 2-176 | 89.0 thousand eggs |
Micropterus salmoides | Male | Male sexual dimorphism | The urogenital opening in male is nearly circular | Absent |
Micropterus salmoides | Spawning conditions | Spawning season | From spring trough early summer | ['April', 'May', 'June', 'July', 'August', 'September'] |
Micropterus salmoides | Spawning conditions | Spawning temperature | 14-16 (begin of spawning) | 15.0 °C |
Micropterus salmoides | Spawning conditions | Nycthemeral period of oviposition | Late afternoon or early morning | Day |
Micropterus salmoides | Spawning conditions | Spawning release | Most ripe eggs are released with the initial spawn, each subsequent spawn normally contains approximatively half the eggs of the preceding spawn | No category |