"Mike Connor" wrote in message
...

Circle hooks were specifically devised for longline fishing, in order to
guarantee a mortality rate of 100%. They actually come close.


Perhaps you are thinking of something else? A quick google returned:

http://home.att.net/~sarasotadon/circle-hook.htm
http://www.ccact.org/circle_hooks.htm
http://www.dnr.state.md.us/fisheries...onal/crsb.html
http://www.floridamarine.org/feature...e.asp?id=20414