Living 500,000 By Indy Staff Thu Aug 21, 2008 | 12:00am Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Add independent.com on Google Add the SB Independent as your preferred source to see more of our stories on Google. 500,000 The number of eggs a female mackerel lays at one time. Source: corsinet.com/trivia/a-triv.html.