Megamouth shark used as a means of identifying other individuals of megamouth sharks. Their mouths can reach up to wide. Megamouth sharks have up to 50 rows of teeth in their upper-jaw and up to 75 rows of teeth in their lower-jaw. In 1990, a 4.9-m (16-foot) male megamouth shark was caught near the surface off Dana Point, California. This individual was eventually released with a small radio tag attached to its soft body. The tag relayed depth and time information over a two-day period. During the day, the shark swam at a depth around , but as the sun set, it
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