Alosa Alosa Alosa is a genus of fish, the river herrings, in the family Clupeidae. Along with other genera in the subfamily Alosinae, they are generally known as shads. They are distinct from other herrings by having a deeper body and spawning in rivers. Several species can be found on both sides of the Atlantic Ocean and Mediterranean Sea. Also, several taxa occur in the brackish-water Caspian Sea and the Black Sea basin. Many are found in fresh water during spawning and some are only found in landlocked fresh water. These fishes lived from the Eocene to Quaternary (from 55 million
Fish as food "fiscas") which was pronounced as it is today. English also has the term seafood, which covers fish found in the seas and oceans as well as other marine life used as food. Over 32,000 species of fish have been described, making them the most diverse group of vertebrates. In addition, there are many species of shellfish. However, only a small number of species are commonly eaten by humans. Fish can be prepared in a variety of ways. It can be uncooked (raw) ("e.g.," sashimi). It can be cured by marinating ("e.g.," ceviche), pickling ("e.g.," pickled herring), or smoking ("e.g.," smoked