I have big hands and like a longer blade. A Buck 119, the Schrade 153UH. 5 to 6 inch blades work for me. Sharp is the most important aspect. I wear one of these all the time. Just about wore out the second one.
If I am fishing this knife is easier to clean fish with.
For a pocket knife I like this style, have worn out several of them. Wish they still made them with the hole.