The hammerhead shark is a general term for the family of hammerhead sharks in the order Siluriformes of the phylum Chordata. The body of the hammerhead shark is elongated, the head is flat, and the front two sides are extended, forming a chain like protrusion; Tail side flattening; Kiss wide and short, with a curved front edge; Round eyes, located at the front of the head, giving it binocular vision and a 360 degree panoramic view, enabling it to accurately perceive the position and distance of the other person; The pelvic fins are slightly larger than the anal fins and are nearly square in shape; Large pectoral fins; The back and side of the body are gray brown, and the belly is light white. The hammerhead shark, also known as the hammerhead shark, is named after its T-shaped head shape.