You would need a really big fish to require a knife like this. The blade is about 8 1/4" long, 1 1/4" wide, and only .053" thick. The handle is 4 7/8" long. Despite the size, it's light and handy at just under 4 ounces. It's supplied with a belt sheath, but would be just as much at home in the kitchen of a serious chief. Done in Roselli's UHC steel,