Filter feeder lure plankton or small fish into its mouth. The basking shark is a passive filter feeder, filtering zooplankton, small fish, and invertebrates from up to 2,000 tons of water per hour. Unlike the megamouth and whale sharks, the basking shark does not appear to actively seek its quarry; but it does possess large olfactory bulbs that may guide it in the right direction. Unlike the other large filter feeders, it relies only on the water that is pushed through the gills by swimming; the megamouth shark and whale shark can suck or pump water through their gills. Manta rays can
Fish stock (food) milky broth. This has a rich feel and sweet umami taste. Stock can also be made using other seafoods. For example, prawn stock made from simmering prawn shells is used in Southeast Asian dishes such as laksa. Fish stock forms the basis of many dishes, particularly soups and sauces. A fish consommé is a type of clear soup made from richly flavored fish stock that has been clarified usually through a fining process involving egg protein. Fish consommés usually have too little natural gelatin, so the fish stock may be double-cooked or supplemented. Since fish gelatin melts at a lower