small electric floating fish feed pellet extruder cost in. Features of floating fish feed pellet machine. 1.The fish feed pelletizer is wLIMAely used for producing floating feed pellets of all kinds of aquatic animal, like tilapia, fishfish, shrimps, crab etc. 2.Both floating and sinking aqua-feed pellets both can be made just by adjusting feed formulation. 3.Different molds can be chosen to make pellets with.