Crackling-Silver, and Yellow Fish-Fuse Mines What Is a Fish-Fuse Mine? That's really two questions: What is a mine, and what is flying fish fuse? A mine is a fireworks device, which fires a visual and/or audible effect that burns from the ground up. This is unlike an aerial shell, which is fired high into the air, and does its thing way up high. Flying fish fuse is a type of fuse, which, when cut in short lengths, appears to "swim" around in the air after it is ignited. Mines can be large or small....