The underwater realm is a harsh place. To regulate their population, the fish need to keep fighting and killing each other. You will join this struggle for survival in stabfish.io! Look at your fish closely – it has a special thorn. It’s used as a weapon to use against your opponents. Swim to the nearest enemy and stab them with it! Continue until there is nobody else left around. Of course, remaining the only survivor will be hard. You need to be agile and fast. Besides, sometimes you can simply get unlucky. Don’t get upset and try again!