Megamouth shark "M. applegatei" – have also recently been proposed on the basis of fossilized tooth remains. However, the Cretaceous-aged "M. comanchensis" has been recently reclassified as an odontaspid shark in the genus "Pseudomegachasma", and is in fact unrelated to the megamouth shark despite similar teeth morphology. The appearance of the megamouth is distinctive, but little else is known about it. It has a brownish-black colour on top, is white underneath, and has an asymmetrical tail with a long upper lobe, similar to that of the thresher shark. The interior of its gill slits are lined with finger-like gill rakers that capture
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