The black winged true shark is an aquatic animal belonging to the true shark family of the true shark order. Its body is thick and over 4 meters long, with a gradually shrinking tail in the shape of a spindle, and a wide and flat head. The true shark with black wings is distributed in the East China Sea and South China Sea, as well as in Japan, Indonesia, the Red Sea, the Indian Ocean, and the Southwest Pacific. It inhabits tropical and subtropical seas. Black winged sharks usually live alone and occasionally hunt in groups. Food includes reef fish, crabs, mantis shrimp, and other crustaceans. The black winged shark is one of the few sharks that can completely jump out of the water. Sometimes it can be preyed upon by humans, as well as by large sharks or even large groupers.

The Caribbean true shark is a species of shark belonging to the true shark family and the true shark genus. At birth, the body length is 74 centimeters, and the maximum body length in adulthood is 295 centimeters. A species of tropical nearshore living at the bottom of continental and island shelves. It mainly inhabits shallow water areas, but according to records, its depth reaches at least 30 meters. I mainly eat bony fish. Mainly distributed in the Caribbean Sea. Also known as Caribbean reef shark, it refers to its habitat on coral reefs outside the Caribbean Sea and South America.