Alosa algeriensis Alosa algeriensis Alosa algeriensis, the North African shad, is a Mediterranean species of clupeid fish in the shad genus "Alosa". "Alosa algeriensis" is primarily found in the Mediterranean Sea from northern Morocco to northern Tunisia. They are also found in Sardinia, Italy with landlocked populations in Lake Ichkeul, Tunisia and Sardinia, Italy. "Alosa algeriensis" males will begin upriver migration at about 3–4 years old while females do not begin until about 4–5 years old. The juveniles migrate to the mouth of rivers until they mature. Once temperatures rise above 20 degrees Celsius, they will begin their spawn. Mortality usually occurs
Araucanian herring Araucanian herring The Araucanian herring, "Clupea bentincki", is a fish species in the genus "Clupea" of the family Clupeidae. It is an epipelagic fish, silvery below and dark blue above, which schools in coastal waters off the west coast of South America. There it filter feeds on smaller plankton such as diatoms. It reaches sexual maturity when it is about 10 centimetres long, and is a pelagic spawner, spawning between June and November. The Araucanian herring is a commercial species, largely used for fishmeal. Based on the FAO fishery statistics, it was the 12th most important capture fish species in