Develop sonic boom: pistol shrimp
The length of this small shrimp is just one inch but it can still snap the tongs in sound speed. For this, a small bubble of air and sonic boom is created by the shrimp. The prey is disoriented by sonic boom and is easily catched by shrimp.
Power to hover: hummingbirds
Only animal having ability of sustaining hover is hummingbirds. Its surprisingly fast wings also allows the fish to take backward flight