That the seafood varies in price is more real than it seems even in the opposite direction. Centuries ago it was the food of the poor, as well as other animals fed for human consumption with them.

Alvaro Cunqueiro said novelist, journalist and Galician gastronomy that the best wine was that of Betanzos because the vines grew with compost of spider crabs, crabs and other seafood such as lobsters or mussels that abounded in the coastal towns and were not sold in the market. Until the transport revolution came that made it known and with the passage of time began to become scarce which caused its price to rise until today.

Currently the law of supply and demand has risen to the top, unlike other products such as pineapple for example, highly valued when Christopher Columbus found it in America and brought it to Europe where it was not known until today that You can find it at very low prices.