This is the blue swordfish

The scientific name of the blue swordfish is "meal bar", and its common names are white bar, meal, and floating chub, which is very interesting. Because it swims in the water when the back of the fish is vaguely blue, the small body of the fish is similar to a knife, get "blue knife" a name. Blue knife in the countryside is also known as the pond fish river fresh, March to June of the blue knife fish meat is the most delicious.