The picture below shows: crocodile skin, also known as crocodile.

Commonly known as water needle and green saw, it belongs to Kelly Tico of Actinidia. A species of Syringa.

This kind of fish is a large species of stork family, which often swims in groups on the water. It is a carnivorous fish, which feeds on small surface active fish and often jumps out of the water because of chasing prey. Because of its sharp teeth, it is very dangerous.

The body is slender, almost cylindrical, and the cross section is round or oval; Two palatal processes, such as long beaks, are strong and powerful, with thin teeth arranged in strips and a row of sparse canine teeth; The lower jaw is slightly longer than the upper jaw, the upper jaw is straight, and the two jaws are strong and seamless. The caudal fin is depressed due to the protrusion of the central fin, and the lower leaf is longer than the upper leaf. The lateral line runs longitudinally along the abdominal edge and rises to the center of the body at the tail stalk, forming a raised edge; The tail handle is almost square; The scales are so small that the gill rakes are gone. The back is grayish green, the abdomen is silvery white, and the fins are dark. The body length can reach 100 cm.

Eating fish with parasites on the head is generally not recommended. Cooked food is better. The bones of this fish are originally green, and there is no poison. Don't worry.