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
Guinean sea catfish Guinean sea catfish The Guinean sea catfish (Carlarius parkii), also known as the Marine catfish, is a species of sea catfish in the family Ariidae. It was described by Albert Günther in 1864, originally under the genus "Arius". It is a tropical fish which is found in Mauritania, Angola, Morocco and the Spanish Sahara. It inhabits coastal marine waters at a depth range of , also frequently entering estuaries and freshwater rivers. It reaches a maximum total length of , more commonly reaching a TL of . The Guinean sea catfish feeds on bony fish and shrimp. It is of