Never really did trust "fish ID" settings on my old 2d sonar units. I can probably count on one hand the number of times the "ID" said a fish was there & I caught something.

Don't have to worry about that now, since I have a DI unit (no 2d sonar) that gives me images like this :

Name: Screen002.jpg Views: 567 Size: 134.8 KB

Just this past weekend I marked a single fish, shaped exactly like the larger images in that screenshot, dropped my jig down and moved less than 10ft ... then set the hook on a 12" Crappie. Saw several images that were easily recognizable as catfish ... and we caught catfish along those same stretches of water. Wish I had taken screenshots, but I was too busy watching my rod tips.

... cp