Belonging to the true shark family and the leopard shark genus, it is a marine organism that lives in tropical and subtropical waters. Large in size, adult individuals can grow up to 3.5 meters in length and weigh up to 200 kilograms. Their body color is usually dark gray or brown, covered with leopard like patterns, which is also the origin of their name. It is a nocturnal predator that usually hides in caves or rock crevices on the seabed during the day and comes out to forage at night. Mainly feeds on fish, crustaceans, and other marine organisms. Strong reproductive ability. Although leopard sharks are large in size, they do not pose a threat to humans. Currently listed as a vulnerable species.

The Great Blue Shark is a species of fish belonging to the true shark family and the genus Great Blue Shark. The body length of the blue shark ranges from 3.50 to 3.8 meters, with the largest reaching over 7 meters. Body elongation, sub spindle shape; Wide and flat head; The tail is slender, slightly shorter than the head and torso; There is a depression on both the upper and lower sides of the caudal fin base. The blue shark is a warm water upper middle layer fish that swims agilely and has a fierce sex. It lives in tropical or temperate oceans, from the surface of the water to the upper layer of the sea at a depth of 350 meters. In general, its actions are relatively slow, but it can move forward at an extremely fast speed when necessary. Usually active on the surface of water, the pectoral fins are spread out, and the upper leaves of the dorsal and caudal fins are exposed above the water surface, swimming slowly.