Pontic shad Pontic shad The Pontic shad ("Alosa immaculata", previously "Alosa pontica"), also referred to as the Black Sea shad or Kerch shad, is a species of clupeid fish in the genus "Alosa", native to the Black Sea and Sea of Azov basins. "Alosa immaculata" lives in the Black Sea and Sea of Azov, and adults migrate up rivers to spawn. It may also be found in the Marmara Sea in Turkey. It currently migrates up and spawns in six rivers: the Danube, Dnieper, Dniester, Southern Bug, Don and Kuban Rivers. Previously the migrations reached far upstream, up to 1,600 in Danube
Fish Hook River Fish Hook River is considered to begin in the city of Park Rapids, at a dam forming the Fish Hook River Reservoir, which was constructed to supply hydropower at the site of rapids on the river. From Park Rapids the Fish Hook River flows south-southeastwardly through Todd, Straight River, and Hubbard townships, collecting the Straight River from the west. It flows into the Shell River from the north in Hubbard Township. The Fish Hook River Reservoir flows from Fish Hook Lake, which collects the river's northern watershed. The Portage and Potato rivers flow short distances to the lake from Portage