http://www.straightdope.com/columns/read/2385/is-a-pregnant-goldfish-called-a-twit
Archives of The Straight Handful (http://pub31.ezboard.com/bgdop) are available in the msg board archive sections of The Drum, in the Archives :~) of the Web Archive (https://web.archive.org)
Link to web.archive.org: https://web.archive.org/web/20041216202204/http://p090.ezboard.com/fgdopefrm1, but without a better referece, I’m unable to find the posts refered to.