Crocodile shark in a 1936 issue of "Zoological Magazine (Tokyo)" by ichthyologist Kiyomatsu Matsubara, based on a long specimen found at the Koti Fish Market in Japan. The type specimen is a long adult male found at a fish market in Su-ao, Taiwan. After being shuffled between the genera "Carcharias" and "Odontaspis" in the family Odontaspididae by various authors, in 1973 Leonard Compagno resurrected Jean Cadenat's 1963 subgenus "Pseudocarcharias" from synonymy for this species and placed it within its own family. The morphology of the crocodile shark suggests affinity with the megamouth shark (Megachasmidae), basking shark (Cetorhinidae), thresher sharks (Alopiidae), and mackerel
Fish ball can also be used. The proportions depend on the quality and type to be made. The white fish balls found in some traditional Hong Kong restaurants are made using fresh fish; while street style are made using cheap fish and a mixture of flour to reduce costs. Flathead mullet (九棍魚/烏仔魚) and Daggertooth pike conger (門鱔) are common choices. Originally, to reduce costs, they were likely made by mixing and frying the remaining materials of Chaozhou fish ball (潮州白魚丸) or stale fish. More recently, they began to be imported and nowadays, they are mainly imported by wholesalers and the texture is