Megamouth shark to be the sole extant species in the distinct family Megachasmidae, though suggestion has been made that it may belong in the family Cetorhinidae, of which the basking shark is currently the sole extant member. Researchers have predicted the feeding patterns of megamouth sharks in relation to the other two planktivorous sharks; the three plankivourous sharks have ram feeding in common, as it evolved from ram feeding swimming-type ancestors that developed their filtering mechanism to capture small prey like plankton. In addition to the living "M. pelagios", however, two extinct megamouth species – the Priabonian "M. alisonae" and the Oligocene–Miocene
Fish marketing seafood to individual consumers, or to both. Retail fish markets, a type of wet market, often sell street food as well. The fundamental meaning of "un chasse-marée" was "a wholesale fishmonger", originally on the Channel coast of France and later, on the Atlantic coast as well. He bought in the coastal ports and sold in inland markets. However, this meaning is not normally adopted into English. The name for such a trader in Britain, from 1500 to 1900 at least, was 'rippier'. Fish marketing Fish marketing is the marketing and sale of fish products. The live fish trade is a