Danube bleak gravel bottoms. The females arrive later and deposit about twenty thousand eggs which stick to stones and gravel. These hatch after two or three days and the larvae stay among the gravel for another ten days before moving to backwaters and shallows where they feed on zooplankton, insect larvae and algae. The juvenile fish migrate down stream in the autumn or the spring of the following year. They may become mature in four to five years. Danube bleak The Danube bleak or Caspian shemaya ("Alburnus chalcoides") is a species of freshwater fish in the family Cyprinidae. It is found in
David B. Bleak as humble and quiet throughout his life. Bleak was a member of the Church of Jesus Christ of Latter-day Saints. Bleak entered the Army on 1 November 1950, and attended basic combat training at Fort Riley, Kansas. Here, he was selected for medical duty. After the completion of his training, Bleak was assigned to a medical company attached to the 223rd Infantry Regiment, 40th Infantry Division of the California Army National Guard. Shortly after Bleak was assigned to the unit, it was selected for deployment to the Korean War. He was moved to Camp Cooke in Lompoc, California, for advanced