fastest fish in the world, the sailfish which is 3 meters long and can reach 110 kmh (68mph). To reach this top speed it folds in its dorsal fin, the dorsal fin is the fin running along the ridge of the fish.
fastest fish in the world, the sailfish which is 3 meters long and can reach 110 kmh (68mph). To reach this top speed it folds in its dorsal fin, the dorsal fin is the fin running along the ridge of the fish.