It don’t mean a thing if ain’t got that ping. With apologies to the first lady of song, the late great Ella Fitzgerald, that sums up fish-finder performance. The world’s finest sonar is useless ...

So much success in big-game fishing directly depends on keeping a sharp eye out on the water and reacting quickly to a fish in the spread. About a year ago, Marlin had a chance to look at Garmin’s ...