The bull shark is a fish species belonging to the true shark family of the true shark order, also known as the bull white eyed shark or low finned true shark. The bull shark is mainly distributed in the Pacific Ocean between 40 degrees north and south latitude, the east and west coasts of the Atlantic Ocean, and the Indian Ocean. It can also be seen along the Pacific coast of Taiwan, China, China. It inhabits tropical and subtropical coastal areas, is common in bays, reefs, coral reef lagoons, and also enters rivers and lakes in tropical areas. The bull shark is one of the most dangerous sharks. Listed as Vulnerable (VU) species by the International Union for Conservation of Nature (IUCN) Red List of Threatened Species.

The family Cyprinidae of the order Cypriniformes, belonging to the genus Serranidae, is also known as the Red Bila fish or the Water Tiger fish. The man eating pomfret is native to the Amazon River basin in South America. Currently distributed in countries such as Brazil, Argentina, Bolivia, Colombia, Paraguay, etc. Feed on small fish, shrimp, amphibians, aquatic invertebrates, etc. The man eating pomfret is a high-risk invasive species, and once it establishes a population in an invasive area, it becomes a top animal in the water food chain, strongly occupying the habitat of native aquatic animals. In order to prevent ecological disasters caused by "biological invasion", relevant departments in China have banned its imports, controlled its breeding in professional and research institutions, and prohibited its circulation in the market.

The bull shark is a fish species belonging to the true shark family of the true shark order, also known as the bull white eyed shark or low finned true shark. The bull shark is mainly distributed in the Pacific Ocean between 40 degrees north and south latitude, the east and west coasts of the Atlantic Ocean, and the Indian Ocean. It can also be seen along the Pacific coast of Taiwan, China, China. It inhabits tropical and subtropical coastal areas, is common in bays, reefs, coral reef lagoons, and also enters rivers and lakes in tropical areas. The bull shark is one of the most dangerous sharks. Listed as Vulnerable (VU) species by the International Union for Conservation of Nature (IUCN) Red List of Threatened Species.