Facts:
*Females lay between 4-6 million eggs per spawning season
*22% of eggs laid die per day --> MOST DIE
*Replacement rate is 2 cod per female in lifetime
*Stage two (juveniles)- 6-8% die per day (for George's Bank)
*Female Atlantic cod matures after 6 years
http://www.usglobec.org/reports/nwaip/nwaip.chapter4.4.1.html