The twait shad is a typical herring-type fish and much resembles the allis shad. It has no lateral line and the belly is more rounded than … Meer weergeven

The twait shad is found in most of Europe and all countries bordering the Mediterranean Sea. Meer weergeven

Populations have been reduced primarily through overfishing, pollution, habitat destruction and migratory route obstruction in the Victorian Era. Hybridization between species is more likely with species affected by human disturbances. … Meer weergeven

• Froese, Rainer; Pauly, Daniel (eds.) (2006). "Alosa fallax" in FishBase. April 2006 version. Meer weergeven

Alosa fallax has a similar lifecycle to A. alosa (allis shad). They are known to live in sympatry. Some studies have suggested A. fallax and A. alosa species can hybridize. … Meer weergeven

Four special areas of conservation have been designated in Ireland where Alosa species have been known to spawn. Alosa fallax "has … Meer weergeven