Twait shad are silvery, sometimes with a bronzy tinge, and there are a distinctive row of six to ten large dark spot just behind the gill cover though these may fade when the fish is dead. The adult length is typically . The twait shad is found in most of Europe and all countries bordering the Mediterranean Sea. "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. They are anadromous species, like many other species in the genus "Alosa". However, some
Fish Hook River Fish Hook River The Fish Hook River, also spelled Fishhook River, is a tributary of the Shell River, long, in north-central Minnesota in the United States. The river's source, Fish Hook Lake, collects short tributaries known as the Portage River and the Potato River. Via the Shell and Crow Wing rivers, the Fish Hook River is part of the watershed of the Mississippi River. The river flows for its entire length in southwestern Hubbard County; its watershed extends into northeastern Becker County. Its name is a translation of the Ojibwe name for the river and Fish Hook Lake, "Pugidabani". The